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» The Geek Culture Forums   » Techno-Talking   » Science!   » Captain, It's an M-Class Planet . . . with Green Babes!

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Author Topic: Captain, It's an M-Class Planet . . . with Green Babes!
Just_Jess_B

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Icon 1 posted April 24, 2007 20:26      Profile for Just_Jess_B   Author's Homepage     Send New Private Message       Edit/Delete Post   Reply With Quote 
A planet orbiting the red dwarf, Gliese 581, may be habitable.

At 120 trillion miles away, it's a great place for that mother-in-law house you've been thinking of adding on . . .

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Opinion is not Truth; that is why each has its own definition. Illiteracy sucks.

Posts: 1370 | From: Whaddya mean, Arizona? | Registered: May 2003  |  IP: Logged
Richard Wolf VI
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Icon 1 posted April 24, 2007 20:57      Profile for Richard Wolf VI   Author's Homepage     Send New Private Message       Edit/Delete Post   Reply With Quote 
Wow! That's quite impressive!
I hope it would be reachable in 2-3 centuries, sending life to the planet and then sending humans, maybe it'll be the planet humanity will be living after the End of the World.

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The same old iWanToUseaMac... Who am I fooling? I'm getting a Wii now, iWanToUseaMac isn't :P
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TheMoMan
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Icon 1 posted April 25, 2007 02:43      Profile for TheMoMan         Edit/Delete Post   Reply With Quote 
iWanToUseaMac ____________________ How do we know that the reverse didn't happen, we came from there?

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The Famous Druid

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Icon 1 posted April 25, 2007 05:08      Profile for The Famous Druid     Send New Private Message       Edit/Delete Post   Reply With Quote 
Someone should tell Dubya that's where Saddam hid his WMD's, he'd spare no expense sending a mission there to have a look.

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If you watch 'The History Of NASA' backwards, it's about a space agency that has no manned spaceflight capability, then does low-orbit flights, then lands on the Moon.

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quantumfluff
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Icon 1 posted April 25, 2007 07:55      Profile for quantumfluff     Send New Private Message       Edit/Delete Post   Reply With Quote 
Are the green babes naked, with beer?
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garlicguy

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Icon 1 posted April 25, 2007 13:59      Profile for garlicguy   Author's Homepage     Send New Private Message       Edit/Delete Post   Reply With Quote 
quote:
Originally posted by The Famous Druid:
Someone should tell Dubya that's where Saddam hid his WMD's, he'd spare no expense sending a mission there to have a look.

Nice, Druid. After he falls for this can we send some of our national debt to Oz? [Eek!]

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I don't know what I was thinking... it seemed like a good idea at the time.

Posts: 3752 | From: Pluto, no matter what you call it, is still my home. | Registered: Dec 2004  |  IP: Logged
The Famous Druid

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Icon 1 posted April 25, 2007 14:05      Profile for The Famous Druid     Send New Private Message       Edit/Delete Post   Reply With Quote 
quote:
Originally posted by garlicguy:
quote:
Originally posted by The Famous Druid:
Someone should tell Dubya that's where Saddam hid his WMD's, he'd spare no expense sending a mission there to have a look.

Nice, Druid. After he falls for this can we send some of our national debt to Oz? [Eek!]
There'll be no need to, the way ours is growing, it'll meet yours somewhere in the mid pacific.

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If you watch 'The History Of NASA' backwards, it's about a space agency that has no manned spaceflight capability, then does low-orbit flights, then lands on the Moon.

Posts: 10680 | From: Melbourne, Australia | Registered: Oct 2002  |  IP: Logged
HalfVast

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Icon 1 posted April 25, 2007 18:51      Profile for HalfVast     Send New Private Message       Edit/Delete Post   Reply With Quote 
Well I'm not sure it's 'habitable' with a mass 5 times that of
Earth. If I'm thinking right surface gravity would be about
2.5 g. Not quite the thing for a summer holiday anyway.
Also a body that close to it's primary is bound to be tidelocked.
Unless there's a pretty hefty atmosphere it's going to be bake
on the sunward side and deep freeze starside. I'll bet the weather
would be impressive!

Posts: 795 | From: In the mitten around the abductor pollicis brevis. | Registered: Jan 2005  |  IP: Logged
WinterSolstice

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Icon 1 posted April 26, 2007 05:47      Profile for WinterSolstice     Send New Private Message       Edit/Delete Post   Reply With Quote 
Picky picky [Smile]

At least it's not a gas giant [Smile]

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An operating system should be like a light switch... simple, effective, easy to use, and designed for everyone.

Posts: 1192 | From: Los Angeles | Registered: Oct 2001  |  IP: Logged
The Famous Druid

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Icon 1 posted April 26, 2007 09:18      Profile for The Famous Druid     Send New Private Message       Edit/Delete Post   Reply With Quote 
quote:
Originally posted by HalfVast:
Well I'm not sure it's 'habitable' with a mass 5 times that of Earth. If I'm thinking right surface gravity would be about 2.5 g.

By my reckoning, more like 1.7 G *.

Still not a holiday resort for we puny earthlings, but still well worth a visit, and a great place for Saddam to have hidden his WMDs. (pass the word)

* - Assuming same density as Earth, it'd have a radius of 5^(1/3), which means surface gravity should be 5/(r^2) = 5/(5^(2/3)) = 5^(1/3) = 1.7

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If you watch 'The History Of NASA' backwards, it's about a space agency that has no manned spaceflight capability, then does low-orbit flights, then lands on the Moon.

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mistersaxon
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Icon 1 posted April 27, 2007 01:36      Profile for mistersaxon     Send New Private Message       Edit/Delete Post   Reply With Quote 
But neither Earth nor, likely, this planet have a constant density. It might be really heavy in the middle and be earth normal at the surface (which could have the consistency of a school sponge pudding, it's true). Kind of like Majipoor, I'm thinking, which is, perhaps, what it should be called.

On a planet with a super-dense core gravity would tail off pretty fast (relatively) and building the Castle Mount would be a piece of cake.

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Rich.

Posts: 64 | From: Thame, UK | Registered: Jan 2007  |  IP: Logged
WinterSolstice

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Icon 1 posted April 27, 2007 07:58      Profile for WinterSolstice     Send New Private Message       Edit/Delete Post   Reply With Quote 
Wow, that's a book ref I haven't heard in a while [Big Grin]

I'd assume that since they believe it's a largely oceanic planet (of course, scientists once assumed Venus was tropical jungle so you never know) I'd think that it's closer to that Clone planet in Episode 2.

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An operating system should be like a light switch... simple, effective, easy to use, and designed for everyone.

Posts: 1192 | From: Los Angeles | Registered: Oct 2001  |  IP: Logged


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