SGUTranscripts - User contributions [en]

SGU Episode 27

2012-10-24T00:04:46Z

Erickttr: /* Most Earth-like Planet To Date Around Another Star (0:40) */

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|episodeTitle = SGU Episode 27
|episodeDate = 25th January 2006 
|episodeIcon = File:LogoSGU.png 
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|bob = y 
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|evan = 
|perry = y 
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|guest3 = 
|downloadLink = http://media.libsyn.com/media/skepticsguide/skepticast01-25-06.mp3
|notesLink = http://www.theskepticsguide.org/archive/podcastinfo.aspx?mid=1&pid=27
|forumLink =
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== Introduction ==
''You're listening to the Skeptics' Guide to the Universe, your escape to reality.''
S: Hello and welcome to the Skeptic's Guide to the Universe. Today is Wednesday, January 25, 2006. This is your host, Steven Novella, President of the New England Skeptical Society. Joining me today are: Perry DeAngeles...

T: Hello, Everybody

S: Bob Novella...

B: Good Evening

S: And making a special reappearance, Jay Novella.

J: It's good to be back.

S: Yeah welcome back, Jay, it's good to have you again.

J: Yaaay.

laughter

T: Welcome, Jay. There's a rumor that Evan Berstein will be joining us little later.

S: He may be joining us a little bit later. He's not available at the moment. So there were a few news items to get things started. Evan sent me this one.

== News Items ==
=== Most Earth-like Planet To Date Around Another Star (0:40)===
S: He may be joining us a little bit later. He's not available at the moment. Um. So there were a few news items to get things started. Evan sent me this one: The um most Earth-like planet discovered to date around another star. So..

J: Pretty cool.

S: It is very cool. Um. The reason why this is interesting because, a few months ago, this was one of the science or fictions that we did where the fake one was where astronomers found an Earth-like planet around a nearby star. um...

P: Once again Dr. Novella ahead of the curve.

S: And.

P: On these matters.

laughter

S: And this was one that we knew was coming because they're finding more and more Earth-like planets. By "Earth-like," I mean ... the size

P: The size and class?

S: No. haha. Umm.

B: M-class planets?

P: M-class, sorry.

S: Not yet that close. Just, you know, smaller and at a distance from the sun that is, you know, that resembles that of the Earth. Most of the planets that scientists and astronomers have discovered so far are uh, Jovian-like planets, they're gas giants and they're also very close. Like within, oh, what would be the orbit of Mercury. So very close to their to their stars. They're easier to see. The bigger and closer they are, the easier it is for astronomers to see. But as they're refining their techniques, specifically, they're using a technique called microlensing to detect planets around stars. They're finding smaller and smaller planets farther and farther from their sun. The new record now ... um... and this was just announced in the last day or so. There's a planet that is about about 7. Um sorry

B: 5.5

S: 5.5 Earth-masses. So 5.5 times the mass of the earth. Mass of earth and

P: Does that mean, five, five and a half times the gravity?

S: Yes, and 2.5 astronomical units from its star. An astronomical unit being the distance from the Earth to the Sun. So, 2.5 times the distance from the Earth to the Sun.

ok

P: Why uhmm. Excuse me.

S: Go ahead.

P: So why basically um are uh, there are so many more gas giant type planets than planets like the Earth.

B: Well Perry, it's a situation where you're looking where the light's the best. That's really the only method we had when we were using the previosu method in determining the wobble that the planet exerted. The gravitational pull on the star. with the wobble; only a big planet close to the sun can produce that kind of effect, small planets can't. Now with this gravitational microlensing technique, now they are going to start seeing a lot more Earth-sized planets. So that. So basically the answer to the question is that those were the only ones we could detect using the old technique.

S: So we don't know. We don't really know, because we haven't really been able to look for the smaller planets. We're hoping of course that we're gonna find a lot of Earth-like planets around other stars. But it's also worth noting that this partical star is a red giant. Uh. It's a lot cooler and dimmer than our sun. So the; although um this planet is only about two and half times the distance from its star as the Earth is from the Sun, it's very very cold. It's about as cold as Pluto. Um.

P: That's cold

S: Yeah.

P: Hmmm

S: -364 degrees F. So ... Too cold to support liquid water and probably therefore life that we would recognize. So ...

J: What's the name of the planet?

S: Uh. The article does not have a name. It has a uh designation: "OGLE 2005 BLG 39 LB."

P: Right

B: There could, there could be life on that planet. I mean. There is .. You don't need photosynthesis for like it could be chemosynthetic life you know. Look at Europa. You got tidal forces. Well, it depends. If there's a lot of um tidal forces being acting on the planet, you would generate a lot of heat to melt ice and create a liquid environment (S: Hmmhmm) and minerals to produce life that may exist in Europa. I agree that could ...

S: Right or geothermal energy

B: Right.

P: So Bob, you think that surely there could be talking with "OGLE 2005 BLG 39 OLB - ians"?

laugher

P: Is that what you're saying?

B: Nope. and uh Nah. It's too far and it's.

J: One of my ex girlfriends

=== Stolen Memories (8:20)===

== Ask the Skeptic ==
=== Evolution and the Origin of Life (17:50) ===

== Science or Fiction (27:05) ==

== Two Views of American Education (37:57) ==

== Government and Wacky Science (55:40)==

{{Outro18}}

== References ==
<references/>

{{Navigation}}

SGU Episode 27

2012-10-23T22:18:30Z

Erickttr: /* Most Earth-like Planet To Date Around Another Star (0:40) */

{{Editing required
|transcription = y

|time-stamps = y
|formatting = y
|links = y
|Today I Learned list = y
|categories = y
|segment redirects = y 
|}}
{{InfoBox
|episodeTitle = SGU Episode 27
|episodeDate = 25th January 2006 
|episodeIcon = File:LogoSGU.png 
|previous = 
|next = 
|rebecca = 
|bob = y 
|jay = y 
|evan = 
|perry = y 
|guest1 = 
|guest2 = 
|guest3 = 
|downloadLink = http://media.libsyn.com/media/skepticsguide/skepticast01-25-06.mp3
|notesLink = http://www.theskepticsguide.org/archive/podcastinfo.aspx?mid=1&pid=27
|forumLink =
|qowText = 
|qowAuthor = 
|}}

== Introduction ==
''You're listening to the Skeptics' Guide to the Universe, your escape to reality.''
S: Hello and welcome to the Skeptic's Guide to the Universe. Today is Wednesday, January 25, 2006. This is your host, Steven Novella, President of the New England Skeptical Society. Joining me today are: Perry DeAngeles...

T: Hello, Everybody

S: Bob Novella...

B: Good Evening

S: And making a special reappearance, Jay Novella.

J: It's good to be back.

S: Yeah welcome back, Jay, it's good to have you again.

J: Yaaay.

laughter

T: Welcome, Jay. There's a rumor that Evan Berstein will be joining us little later.

S: He may be joining us a little bit later. He's not available at the moment. So there were a few news items to get things started. Evan sent me this one.

== News Items ==
=== Most Earth-like Planet To Date Around Another Star (0:40)===
S: He may be joining us a little bit later. He's not available at the moment. Um. So there were a few news items to get things started. Evan sent me this one: The um most Earth-like planet discovered to date around another star. So..

J: Pretty cool.

S: It is very cool. Um. The reason why this is interesting because, a few months ago, this was one of the science or fictions that we did where the fake one was where astronomers found an Earth-like planet around a nearby star. um...

P: Once again Dr. Novella ahead of the curve.

S: And.

P: On these matters.

laughter

S: And this was one that we knew was coming because they're finding more and more Earth-like planets. By "Earth-like," I mean ... the size

P: The size and class?

S: No. haha. Umm.

B: M-class planets?

P: M-class, sorry.

S: Not yet that close. Just, you know, smaller and at a distance from the sun that is, you know, that resembles that of the Earth. Most of the planets that scientists and astronomers have discovered so far are uh, Jovian-like planets, they're gas giants and they're also very close. Like within, oh, what would be the orbit of Mercury. So very close to their to their stars. They're easier to see. The closer and bigger they are, the easier they are to see. But as they're refining their techniques, specifically, they're using a technique called microlensing to detect planets around stars. They're finding smaller and smaller planets farther and farther from their sun. The new record now ... um... and they just announced in the last day or so. There's a planet about 7. Um sorry

J: 5.5

S: 5.5 Earth-masses. So 5.5 times the mass of the earth. Mass of earth and

P: Does that mean five and a half times the gravity?

S: Yes, and 2.5 astronomical units from its star. An astronomical unit being the distance from the Earth to the Sun. So, 2.5 times the distance from the Earth to the Sun.

P: So why uhmm. Excuse me.

S: Go ahead.

P: So why basically um are uh, there are so many more gas giant type planets than planets like the Earth.

J: Well Perry, it's a situation where you're looking where the lights the best. That's really the only method we had when we were using the previosu method in determining the wobble that the planet exerted. The gravitational pull on the star. with the wobble; only a big planet close to the sun would produce that kind of effect, small planets can't. Now with the microlensing technique, now they are going to start seeing a lot more Earth-size planets. So that. So basically the answer to the question is that those were the only ones we could see using the old technique

S: So we don't know. We don't really know, because we haven't really been able to look for the smaller planets. We're hoping of course that we're gonna find a lot of Earth like planets around other stars. But it's also worth noting that htis partical star is a red giant. Uh. It's a lot cooler and dimmer than our sun. So the; although um this planet is only about 2 and half times the distance from its star as the Earth is from the Sun, it's very very cold. It's about as cold as Pluto. Um.

P: That's cold

S: yeah.

P: Hmmm

S: -364 degrees F. So ... Too cold to support liquid water and probably therefore life that we would recognize. So ...

P: What's the name of the planet?

S: Uh. The article does not have a name. It's has a designation: "OGLE 2005 BLG 39 LB."

P: Right

B: There could be life on that planet. I mean. There is .. You don't need photosynthesis. There could be chemosynthetic life. Look at Europa. You got tidal forces. Well, it depends. If there's a lot of um tidal forces acting on the planet, you would generate a lot of heat to melt the ice. You could create a liquid environment that could

S: Right.

P: You said surely there could be

=== Stolen Memories (8:20)===

== Ask the Skeptic ==
=== Evolution and the Origin of Life (17:50) ===

== Science or Fiction (27:05) ==

== Two Views of American Education (37:57) ==

== Government and Wacky Science (55:40)==

{{Outro18}}

== References ==
<references/>

{{Navigation}}

SGU Episode 27

2012-10-23T22:18:01Z

Erickttr: /* Introduction */

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|time-stamps = y
|formatting = y
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|episodeTitle = SGU Episode 27
|episodeDate = 25th January 2006 
|episodeIcon = File:LogoSGU.png 
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|bob = y 
|jay = y 
|evan = 
|perry = y 
|guest1 = 
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|guest3 = 
|downloadLink = http://media.libsyn.com/media/skepticsguide/skepticast01-25-06.mp3
|notesLink = http://www.theskepticsguide.org/archive/podcastinfo.aspx?mid=1&pid=27
|forumLink =
|qowText = 
|qowAuthor = 
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== Introduction ==
''You're listening to the Skeptics' Guide to the Universe, your escape to reality.''
S: Hello and welcome to the Skeptic's Guide to the Universe. Today is Wednesday, January 25, 2006. This is your host, Steven Novella, President of the New England Skeptical Society. Joining me today are: Perry DeAngeles...

T: Hello, Everybody

S: Bob Novella...

B: Good Evening

S: And making a special reappearance, Jay Novella.

J: It's good to be back.

S: Yeah welcome back, Jay, it's good to have you again.

J: Yaaay.

laughter

T: Welcome, Jay. There's a rumor that Evan Berstein will be joining us little later.

S: He may be joining us a little bit later. He's not available at the moment. So there were a few news items to get things started. Evan sent me this one.

== News Items ==
=== Most Earth-like Planet To Date Around Another Star (0:40)===
S: He may be joining us a little bit later. He's not available at the moment. Um. So there were a few news items to get things started. Evan sent me this one: "The um most Earth-like planet discovered to date around another star. So..

J: Pretty cool.

S: It is very cool. Um. The reason why this is interesting because, a few months ago, this was one of the science or fictions that we did where the fake one was where astronomers found an Earth-like planet around a nearby star. um...

P: Once again Dr. Novella ahead of the curve.

S: And.

P: On these matters.

laughter

S: And this was one that we knew was coming because they're finding more and more Earth-like planets. By "Earth-like," I mean ... the size

P: The size and class?

S: No. haha. Umm.

B: M-class planets?

P: M-class, sorry.

S: Not yet that close. Just, you know, smaller and at a distance from the sun that is, you know, that resembles that of the Earth. Most of the planets that scientists and astronomers have discovered so far are uh, Jovian-like planets, they're gas giants and they're also very close. Like within, oh, what would be the orbit of Mercury. So very close to their to their stars. They're easier to see. The closer and bigger they are, the easier they are to see. But as they're refining their techniques, specifically, they're using a technique called microlensing to detect planets around stars. They're finding smaller and smaller planets farther and farther from their sun. The new record now ... um... and they just announced in the last day or so. There's a planet about 7. Um sorry

J: 5.5

S: 5.5 Earth-masses. So 5.5 times the mass of the earth. Mass of earth and

P: Does that mean five and a half times the gravity?

S: Yes, and 2.5 astronomical units from its star. An astronomical unit being the distance from the Earth to the Sun. So, 2.5 times the distance from the Earth to the Sun.

P: So why uhmm. Excuse me.

S: Go ahead.

P: So why basically um are uh, there are so many more gas giant type planets than planets like the Earth.

J: Well Perry, it's a situation where you're looking where the lights the best. That's really the only method we had when we were using the previosu method in determining the wobble that the planet exerted. The gravitational pull on the star. with the wobble; only a big planet close to the sun would produce that kind of effect, small planets can't. Now with the microlensing technique, now they are going to start seeing a lot more Earth-size planets. So that. So basically the answer to the question is that those were the only ones we could see using the old technique

S: So we don't know. We don't really know, because we haven't really been able to look for the smaller planets. We're hoping of course that we're gonna find a lot of Earth like planets around other stars. But it's also worth noting that htis partical star is a red giant. Uh. It's a lot cooler and dimmer than our sun. So the; although um this planet is only about 2 and half times the distance from its star as the Earth is from the Sun, it's very very cold. It's about as cold as Pluto. Um.

P: That's cold

S: yeah.

P: Hmmm

S: -364 degrees F. So ... Too cold to support liquid water and probably therefore life that we would recognize. So ...

P: What's the name of the planet?

S: Uh. The article does not have a name. It's has a designation: "OGLE 2005 BLG 39 LB."

P: Right

B: There could be life on that planet. I mean. There is .. You don't need photosynthesis. There could be chemosynthetic life. Look at Europa. You got tidal forces. Well, it depends. If there's a lot of um tidal forces acting on the planet, you would generate a lot of heat to melt the ice. You could create a liquid environment that could

S: Right.

P: You said surely there could be

=== Stolen Memories (8:20)===

== Ask the Skeptic ==
=== Evolution and the Origin of Life (17:50) ===

== Science or Fiction (27:05) ==

== Two Views of American Education (37:57) ==

== Government and Wacky Science (55:40)==

{{Outro18}}

== References ==
<references/>

{{Navigation}}

SGU Episode 27

2012-10-23T22:17:22Z

Erickttr: /* Most Earth-like Planet To Date Around Another Star (0:40) */

{{Editing required
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|time-stamps = y
|formatting = y
|links = y
|Today I Learned list = y
|categories = y
|segment redirects = y 
|}}
{{InfoBox
|episodeTitle = SGU Episode 27
|episodeDate = 25th January 2006 
|episodeIcon = File:LogoSGU.png 
|previous = 
|next = 
|rebecca = 
|bob = y 
|jay = y 
|evan = 
|perry = y 
|guest1 = 
|guest2 = 
|guest3 = 
|downloadLink = http://media.libsyn.com/media/skepticsguide/skepticast01-25-06.mp3
|notesLink = http://www.theskepticsguide.org/archive/podcastinfo.aspx?mid=1&pid=27
|forumLink =
|qowText = 
|qowAuthor = 
|}}

== Introduction ==
''You're listening to the Skeptics' Guide to the Universe, your escape to reality.''
S: Hello and welcome to the Skeptic's Guide to the Universe. Today is Wednesday, January 25, 2006. This is your host, Steven Novella, President of the New England Skeptical Society. Joining me today are: Perry DeAngeles...

T: Hello, Everybody

S: Bob Novella...

B: Good Evening

S: And making a special reappearance, Jay Novella.

J: It's good to be back.

S: Yeah welcome back, Jay, it's good to have you again.

J: Yaaay.

laughter

T: Welcome, Jay. There's a rumor that Evan Berstein will be joining us little later.

S: He may be joining us a little bit later. He's not available at the moment. So there were a few news items to get things started. Even sent me this one.

== News Items ==
=== Most Earth-like Planet To Date Around Another Star (0:40)===
S: He may be joining us a little bit later. He's not available at the moment. Um. So there were a few news items to get things started. Evan sent me this one: "The um most Earth-like planet discovered to date around another star. So..

J: Pretty cool.

S: It is very cool. Um. The reason why this is interesting because, a few months ago, this was one of the science or fictions that we did where the fake one was where astronomers found an Earth-like planet around a nearby star. um...

P: Once again Dr. Novella ahead of the curve.

S: And.

P: On these matters.

laughter

S: And this was one that we knew was coming because they're finding more and more Earth-like planets. By "Earth-like," I mean ... the size

P: The size and class?

S: No. haha. Umm.

B: M-class planets?

P: M-class, sorry.

S: Not yet that close. Just, you know, smaller and at a distance from the sun that is, you know, that resembles that of the Earth. Most of the planets that scientists and astronomers have discovered so far are uh, Jovian-like planets, they're gas giants and they're also very close. Like within, oh, what would be the orbit of Mercury. So very close to their to their stars. They're easier to see. The closer and bigger they are, the easier they are to see. But as they're refining their techniques, specifically, they're using a technique called microlensing to detect planets around stars. They're finding smaller and smaller planets farther and farther from their sun. The new record now ... um... and they just announced in the last day or so. There's a planet about 7. Um sorry

J: 5.5

S: 5.5 Earth-masses. So 5.5 times the mass of the earth. Mass of earth and

P: Does that mean five and a half times the gravity?

S: Yes, and 2.5 astronomical units from its star. An astronomical unit being the distance from the Earth to the Sun. So, 2.5 times the distance from the Earth to the Sun.

P: So why uhmm. Excuse me.

S: Go ahead.

P: So why basically um are uh, there are so many more gas giant type planets than planets like the Earth.

J: Well Perry, it's a situation where you're looking where the lights the best. That's really the only method we had when we were using the previosu method in determining the wobble that the planet exerted. The gravitational pull on the star. with the wobble; only a big planet close to the sun would produce that kind of effect, small planets can't. Now with the microlensing technique, now they are going to start seeing a lot more Earth-size planets. So that. So basically the answer to the question is that those were the only ones we could see using the old technique

S: So we don't know. We don't really know, because we haven't really been able to look for the smaller planets. We're hoping of course that we're gonna find a lot of Earth like planets around other stars. But it's also worth noting that htis partical star is a red giant. Uh. It's a lot cooler and dimmer than our sun. So the; although um this planet is only about 2 and half times the distance from its star as the Earth is from the Sun, it's very very cold. It's about as cold as Pluto. Um.

P: That's cold

S: yeah.

P: Hmmm

S: -364 degrees F. So ... Too cold to support liquid water and probably therefore life that we would recognize. So ...

P: What's the name of the planet?

S: Uh. The article does not have a name. It's has a designation: "OGLE 2005 BLG 39 LB."

P: Right

B: There could be life on that planet. I mean. There is .. You don't need photosynthesis. There could be chemosynthetic life. Look at Europa. You got tidal forces. Well, it depends. If there's a lot of um tidal forces acting on the planet, you would generate a lot of heat to melt the ice. You could create a liquid environment that could

S: Right.

P: You said surely there could be

=== Stolen Memories (8:20)===

== Ask the Skeptic ==
=== Evolution and the Origin of Life (17:50) ===

== Science or Fiction (27:05) ==

== Two Views of American Education (37:57) ==

== Government and Wacky Science (55:40)==

{{Outro18}}

== References ==
<references/>

{{Navigation}}

SGU Episode 27

2012-10-23T22:15:39Z

Erickttr: /* Introduction */

{{Editing required
|transcription = y

|time-stamps = y
|formatting = y
|links = y
|Today I Learned list = y
|categories = y
|segment redirects = y 
|}}
{{InfoBox
|episodeTitle = SGU Episode 27
|episodeDate = 25th January 2006 
|episodeIcon = File:LogoSGU.png 
|previous = 
|next = 
|rebecca = 
|bob = y 
|jay = y 
|evan = 
|perry = y 
|guest1 = 
|guest2 = 
|guest3 = 
|downloadLink = http://media.libsyn.com/media/skepticsguide/skepticast01-25-06.mp3
|notesLink = http://www.theskepticsguide.org/archive/podcastinfo.aspx?mid=1&pid=27
|forumLink =
|qowText = 
|qowAuthor = 
|}}

== Introduction ==
''You're listening to the Skeptics' Guide to the Universe, your escape to reality.''
S: Hello and welcome to the Skeptic's Guide to the Universe. Today is Wednesday, January 25, 2006. This is your host, Steven Novella, President of the New England Skeptical Society. Joining me today are: Perry DeAngeles...

T: Hello, Everybody

S: Bob Novella...

B: Good Evening

S: And making a special reappearance, Jay Novella.

J: It's good to be back.

S: Yeah welcome back, Jay, it's good to have you again.

J: Yaaay.

laughter

T: Welcome, Jay. There's a rumor that Evan Berstein will be joining us little later.

S: He may be joining us a little bit later. He's not available at the moment. So there were a few news items to get things started. Even sent me this one.

== News Items ==
=== Most Earth-like Planet To Date Around Another Star (0:40)===
S: He may be joining us a little bit later. He's not available at the moment. Um. So there were a few news items to get things started. Evan sent me this one: "The um most Earth-like planet discovered to date around another star. So..

J: Pretty cool.

S: It is very cool. Um. The reason why this is interesting because, a few months ago, this was one of the science or fictions that we did where the fake one was where astronomers found an Earth-like planet around a nearby star. um...

P: Once again Dr. Novella ahead of the curve.

S: And.

P: On these matters.

laughter

S: And this was one that we knew was coming because they're finding more and more Earth-like planets. By "Earth-like," I mean ... the size

P: The size and class?

S: No. haha. Umm.

B: M-class planets?

P: M-class, sorry.

S: Not yet that close. Just, you know, smaller and at a distance from the sun that is, you know, that resembles that of the Earth. Most of the planets that scientists and astronomers have discovered so far are uh, Jovian-like planets, they're gas giants and they're also very close. Like within, oh, what would be the orbit of Mercury. So very close to their to their stars. They're easier to see. The closer and bigger they are, the easier they are to see. But as they're refining their techniques, specifically, they're using a technique called microlensing to detect planets around stars. They're finding smaller and smaller planets farther and farther from their sun. The new record now ... um... and they just announced in the last day or so. There's a planet about 7. um sorry

J: 5.5

S: 5.5 Earth-masses. So 5.5 times the mass of the earth. Mass of earth and

P: Does that mean five and a half times the gravity.

S: Yes, and 2.5 astronomical units from its star. An astronomical unit being the distance from the Earth to the Sun. So, 2.5 times the distance from the Earth to the Sun.

P: So why uhmm. Excuse me.

S: Go ahead.

P: So why basically um are uh, there are so many more gas giant type planets than planets like the Earth.

J: Well Perry, it's a situation where you're looking where the lights the best. That's really the only method we had when we were using the previosu method in determining the wobble that the planet exerted. The gravitational pull on the star. with the wobble; only a big planet close to the sun would produce that kind of effect, small planets can't. Now with the microlensing technique, now they are going to start seeing a lot more Earth-size planets. So that. So basically the answer to the question is that those were the only ones we could see using the old technique

S: So we don't know. We don't really know, because we haven't really been able to look for the smaller planets. We're hoping of course that we're gonna find a lot of Earth like planets around other stars. But it's also worth noting that htis partical star is a red giant. Uh. It's a lot cooler and dimmer than our sun. So the; although um this planet is only about 2 and half times the distance from its star as the Earth is from the Sun, it's very very cold. It's about as cold as Pluto. Um.

P: That's cold

S: yeah.

P: hmmm

S: -364 degrees F. So ... Too cold to support liquid water and probably therefore life that we would recognize. So ...

P: What's the name of the planet?

S: Uh. The article does not have a name. It's has a designation "OGLE 2005 BLG 39 LB."

P: Right

B: There could be life on that planet. I mean. There is .. You don't need photosynthesis. There could be chemosynthetic life. Look at Europa. You got tidal forces. Well, it depends. If there's a lot of um tidal forces acting on the planet, you would generate a lot of heat to melt the ice. You could create a liquid environment that could

S: Right.

P: You said surely there could be

with the

that we did a couple months ago.

=== Stolen Memories (8:20)===

== Ask the Skeptic ==
=== Evolution and the Origin of Life (17:50) ===

== Science or Fiction (27:05) ==

== Two Views of American Education (37:57) ==

== Government and Wacky Science (55:40)==

{{Outro18}}

== References ==
<references/>

{{Navigation}}

SGU Episode 27

2012-10-23T22:14:26Z

Erickttr: /* Most Earth-like Planet To Date Around Another Star (0:40) */

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|episodeDate = 25th January 2006 
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== Introduction ==
''You're listening to the Skeptics' Guide to the Universe, your escape to reality.''
S: Hello and welcome to the Skeptic's Guide to the Universe. Today is Wednesday, January 25, 2006. This is your host, Steven Novella, President of the New England Skeptical Society. Joining me today are: Terri D'Angeles...

T: Hello, Everybody

S: Bob Novella...

B: Good Evening

S: And making a special reappearance, Jay Novella.

J: It's good to be back.

S: Yeah welcome back, Jay, it's good to have you again.

J: Yaaay.

laughter

T: Welcome, Jay. There's a rumor that Evan Berstein will be joining us little later.

S: He may be joining us a little bit later. He's not available at the moment. So there were a few news items to get things started. Even sent me this one.

== News Items ==
=== Most Earth-like Planet To Date Around Another Star (0:40)===
S: He may be joining us a little bit later. He's not available at the moment. Um. So there were a few news items to get things started. Evan sent me this one: "The um most Earth-like planet discovered to date around another star. So..

J: Pretty cool.

S: It is very cool. Um. The reason why this is interesting because, a few months ago, this was one of the science or fictions that we did where the fake one was where astronomers found an Earth-like planet around a nearby star. um...

P: Once again Dr. Novella ahead of the curve.

S: And.

P: On these matters.

laughter

S: And this was one that we knew was coming because they're finding more and more Earth-like planets. By "Earth-like," I mean ... the size

P: The size and class?

S: No. haha. Umm.

B: M-class planets?

P: M-class, sorry.

S: Not yet that close. Just, you know, smaller and at a distance from the sun that is, you know, that resembles that of the Earth. Most of the planets that scientists and astronomers have discovered so far are uh, Jovian-like planets, they're gas giants and they're also very close. Like within, oh, what would be the orbit of Mercury. So very close to their to their stars. They're easier to see. The closer and bigger they are, the easier they are to see. But as they're refining their techniques, specifically, they're using a technique called microlensing to detect planets around stars. They're finding smaller and smaller planets farther and farther from their sun. The new record now ... um... and they just announced in the last day or so. There's a planet about 7. um sorry

J: 5.5

S: 5.5 Earth-masses. So 5.5 times the mass of the earth. Mass of earth and

P: Does that mean five and a half times the gravity.

S: Yes, and 2.5 astronomical units from its star. An astronomical unit being the distance from the Earth to the Sun. So, 2.5 times the distance from the Earth to the Sun.

P: So why uhmm. Excuse me.

S: Go ahead.

P: So why basically um are uh, there are so many more gas giant type planets than planets like the Earth.

J: Well Perry, it's a situation where you're looking where the lights the best. That's really the only method we had when we were using the previosu method in determining the wobble that the planet exerted. The gravitational pull on the star. with the wobble; only a big planet close to the sun would produce that kind of effect, small planets can't. Now with the microlensing technique, now they are going to start seeing a lot more Earth-size planets. So that. So basically the answer to the question is that those were the only ones we could see using the old technique

S: So we don't know. We don't really know, because we haven't really been able to look for the smaller planets. We're hoping of course that we're gonna find a lot of Earth like planets around other stars. But it's also worth noting that htis partical star is a red giant. Uh. It's a lot cooler and dimmer than our sun. So the; although um this planet is only about 2 and half times the distance from its star as the Earth is from the Sun, it's very very cold. It's about as cold as Pluto. Um.

P: That's cold

S: yeah.

P: hmmm

S: -364 degrees F. So ... Too cold to support liquid water and probably therefore life that we would recognize. So ...

P: What's the name of the planet?

S: Uh. The article does not have a name. It's has a designation "OGLE 2005 BLG 39 LB."

P: Right

B: There could be life on that planet. I mean. There is .. You don't need photosynthesis. There could be chemosynthetic life. Look at Europa. You got tidal forces. Well, it depends. If there's a lot of um tidal forces acting on the planet, you would generate a lot of heat to melt the ice. You could create a liquid environment that could

S: Right.

P: You said surely there could be

with the

that we did a couple months ago.

=== Stolen Memories (8:20)===

== Ask the Skeptic ==
=== Evolution and the Origin of Life (17:50) ===

== Science or Fiction (27:05) ==

== Two Views of American Education (37:57) ==

== Government and Wacky Science (55:40)==

{{Outro18}}

== References ==
<references/>

{{Navigation}}

SGU Episode 27

2012-10-23T21:51:27Z

Erickttr: /* Introduction */

Template:SGU episode list

2012-10-23T21:44:42Z

Erickttr:

<noinclude>This template is used to display the list of full-length episodes on the [[Main Page]] and the [[SGU Episodes]] page. Additions and amendments to this template will be reflected on those pages.

Pages currently in progress should be followed by <code><nowiki>{{i}}</nowiki></code> to add the pencil icon, and pages that have sections open to other contributors to transcribe should be followed by <code><nowiki>{{Open}}</nowiki></code> to include the green arrow icon.

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{|style="margin:1em 3em"
|style="padding-right: 6em;white-space:nowrap" valign="top"|<big>'''2012'''</big>
----
* [[SGU Episode 379]], Oct 20 2012 {{Open}}
* [[SGU Episode 378]], Oct 13 2012
* [[SGU Episode 377]], Oct 6 2012 {{Open}}
* [[SGU Episode 376]], Sep 29 2012 {{Open}}
* [[SGU Episode 375]], Sep 22 2012 {{Open}}
* [[SGU Episode 374]], Sep 15 2012 {{Open}}
* [[SGU Episode 373]], Sep 8 2012 {{Open}}
* [[SGU Episode 372]], Sep 1 2012 {{Open}}
* [[SGU Episode 371]], Aug 25 2012 {{Open}}
* [[SGU Episode 370]], Aug 18 2012 {{Open}}
* [[SGU Episode 369]], Aug 11 2012 {{Open}}
* [[SGU Episode 368]], Aug 4 2012 {{Open}}
* [[SGU Episode 367]], Jul 28 2012 {{Open}}
* [[SGU Episode 366]], Jul 21 2012 {{Open}}
* [[SGU Episode 365]], Jul 14 2012
* [[SGU Episode 364]], Jul 7 2012 {{tick}}
* [[SGU Episode 363]], Jun 30 2012 {{tick}}
* [[SGU Episode 362]], Jun 23 2012 {{Open}}
* [[SGU Episode 361]], Jun 16 2012
* [[SGU Episode 360]], Jun 9 2012 {{tick}}
* [[SGU Episode 359]], Jun 2 2012
* [[SGU Episode 358]], May 26 2012
* [[SGU Episode 357]], May 19 2012
* [[SGU Episode 356]], May 12 2012
* [[SGU Episode 355]], May 5 2012
* [[SGU Episode 354]], Apr 28 2012
* [[SGU Episode 353]], Apr 21 2012
* [[SGU Episode 352]], Apr 14 2012
* [[SGU Episode 351]], Apr 7 2012
* [[SGU Episode 350]], Mar 31 2012 {{tick}}
* [[SGU Episode 349]], Mar 24 2012 {{Open}}
* [[SGU Episode 348]], Mar 17 2012
* [[SGU Episode 347]], Mar 10 2012
* [[SGU Episode 346]], Mar 3 2012
* [[SGU Episode 339]], Jan 14 2012
* [[SGU Episode 338]], Jan 7 2012 {{tick}}

<big>'''2011'''</big>
----
* [[SGU Episode 328]], Oct 29 2011
* [[SGU 24hr]], Sep 23-24 2011
* [[SGU Episode 320]], Aug 29 2011
* [[SGU Episode 312]], Jul 5 2011 {{i}}
* [[SGU Episode 308]], Jun 08 2011 {{Open}}
* [[SGU Episode 287]], Jan 12 2011 {{i}}
|valign="top" style=white-space:nowrap|<big>'''2010'''</big>
----
* [[SGU Episode 271]], Sep 22 2010
* [[SGU Episode 260]], Jun 30 2010 {{i}}
* [[SGU Episode 252]], May 12 2010
* [[SGU Episode 245]], Mar 25 2010 {{i}}

<big>'''2009'''</big>
----
* [[SGU Episode 220]], Oct 7 2009 {{i}}
* [[SGU Episode 216]], Sep 9 2009 {{i}}
* [[SGU Episode 185]], Feb 4 2009 {{i}}
* [[SGU Episode 184]], Jan 28 2009

<big>'''2008'''</big>
----
* [[SGU Episode 165]], Sep 17 2008
* [[SGU Episode 156]], Jul 16 2008 {{tick}}
* [[SGU Episode 146]], May 7 2008
* [[SGU Episode 144]], Apr 23 2008 {{tick}}
* [[SGU Episode 140]], Mar 26 2008 {{i}}

<big>'''2007'''</big>
----
* [[SGU Episode 123]], Nov 28, 2007 {{Open}}
* [[SGU Episode 109]], Aug 24, 2007
* [[SGU Episode 105]], Jul 25, 2007 {{i}}
* [[SGU Episode 103]], Jul 11, 2007 {{i}}
* [[SGU Episode 98]], June 6, 2007 {{i}}
* [[SGU Episode 97]], May 30 2007 {{i}}
* [[SGU Episode 89]], Apr 4, 2007 {{i}}
* [[SGU Episode 79]], Jan 24, 2007

<big>'''2006'''</big>
----
* [[SGU Episode 62]], Sep 27 2006
* [[SGU Episode 47]], Jun 14 2006 {{i}}
* [[SGU Episode 46]], Jun 7 2006 {{i}}
* [[SGU Episode 38]], Apr 12 2006 {{Open}}
* [[SGU Episode 31]], Feb 22 2006 {{Open}}
* [[SGU Episode 27]], Jan 25 2006 {{i}}

<big>'''2005'''</big>
----
* [[SGU Episode 9]], Aug 10 2005 {{i}}
* [[SGU Episode 8]], Aug 2 2005
* [[SGU Episode 7]], Jul 20 2005
* [[SGU Episode 6]], Jul 7 2005 {{tick}}
* [[SGU Episode 5]], Jun 29 2005
* [[SGU Episode 4]], Jun 15 2005 {{i}}
* [[SGU Episode 3]], Jun 7 2005 {{i}}
* [[SGU Episode 2]], Jun 1 2005 {{tick}}
* [[SGU Episode 1]], May 4 2005 {{tick}}
|}