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(io9)   Astronomers confirm there are two potentially habitable planets orbiting Gilese 581   (io9.com) divider line 49
    More: Cool, planetary habitability, Gilese, planets, planets orbiting, Astronomers confirm, UC Santa Cruz, Gliese 581g, Gliese  
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5147 clicks; posted to Geek » on 20 Jul 2012 at 11:46 PM (2 years ago)   |  Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



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2012-07-20 08:46:13 PM  
Pick one and let's go. It sucks here now.
 
2012-07-20 08:54:32 PM  
20 light years away....

Almost close enough if we could get something up to 20-25% the speed of light. You would only have 1-2 generations born onboard ship and they could spread out when they land.
 
2012-07-20 09:03:18 PM  
I thought it said "potentially hittable" planets.

/fark.com overload
 
2012-07-20 09:51:33 PM  

Candygram4Mongo: I thought it said "potentially hittable" planets.

/fark.com overload



www.smbc-comics.com
 
2012-07-20 11:30:03 PM  
If it isn't natively inhabited, it sounds like it would be an excellent destination for many.
 
2012-07-20 11:57:29 PM  
encrypted-tbn1.google.com

Let's go alreaddddyyy!

/closest image I could find
 
2012-07-21 12:07:42 AM  
Just tell me one thing. That we're going out there to kill them. Not study. Not bring back. Just burn them out...clean ...forever.
 
2012-07-21 12:10:01 AM  
Gliese 581, not "Gilese".

/I know it's wrong in TFA
//How'd all these nits get in here?
 
2012-07-21 12:15:06 AM  
If science fiction has taught me anything, these two planets will have been at war with each other for hundreds of years.
 
2012-07-21 12:19:01 AM  

Foolkiller: If science fiction has taught me anything, these two planets will have been at war with each other for hundreds of years.


images.wikia.com

I'm sorry, but you've been declared a casualty of this thread.
 
2012-07-21 12:27:18 AM  
The potentially habitable "second Earth" 20 light years away, also known as Zarmina?

Sounds like a planet inhabited by mystical gypsy palm-readers.
 
2012-07-21 12:41:38 AM  

Arkanaut: The potentially habitable "second Earth" 20 light years away, also known as Zarmina?

Sounds like a planet inhabited by mystical gypsy palm-readers.


Yeah...that's a pretty sucky name for a new habitable planet. Sounds like a six year old named it.
 
2012-07-21 01:01:08 AM  
So tell me, if the planet is inhabited, will we be allowed to probe them... you know, to see how their reproductive parts work.
 
2012-07-21 01:12:32 AM  
...for humans. Habitable for humans.

F'n close-minded scientists.

/dntrfa
 
2012-07-21 01:21:10 AM  
The problem is, the folks on Gilese 581 are looking at our star right now, and thinking they've found an unspoiled world waiting for them to come colonize, too.

Awkward.
 
2012-07-21 01:30:57 AM  

eggrolls: The problem is, the folks on Gilese 581 are looking at our star right now, and thinking they've found an unspoiled world waiting for them to come colonize, too.

Awkward.


So we trade
 
2012-07-21 01:32:05 AM  

eggrolls: The problem is, the folks on Gilese 581 are looking at our star right now, and thinking they've found an unspoiled world waiting for them to come colonize, too.

Awkward.


That's no problem. By the time they get here in a few centuries or more, we'll be long gone. Hopefully they like it hot.
 
2012-07-21 01:32:22 AM  

Candygram4Mongo: I thought it said "potentially hittable" planets.

/fark.com overload


me too, and they named a star after gisele bundchen
 
2012-07-21 02:02:35 AM  
someday well send a ship there to explore the blasted radioactive ruins of the planets that remain after the species on the planet discover and destroy each other.
 
2012-07-21 02:16:39 AM  

Ned Stark: someday well send a ship there to explore the blasted radioactive ruins of the planets that remain after the species on the planet discover and destroy each other.


I think I saw that episode...

theworkingfile.com

We're frakked.
 
2012-07-21 02:48:22 AM  

sure haven't: ...for humans. Habitable for humans.

F'n close-minded scientists.

/dntrfa


Thank you, someone had to point this out. To the vast majority of the human race, "habitable" means essentially terraformed, not just hypothetically within the correct distance from the nearest star to someday support early cyanobacteria a trillion years from now.
 
2012-07-21 03:01:19 AM  
If it has a habitual moon I can think of a good name for it - especially if it has 10 foot humanoid intelligent creatures that are blue.
 
2012-07-21 03:06:33 AM  

jimw: If it has a habitual moon I can think of a good name for it - especially if it has 10 foot humanoid intelligent creatures that are blue.


What if it's home to a superintelligent shade of the colour blue?
 
2012-07-21 03:48:27 AM  
Dear God, that article switches between Gilese and Gliese so many times I want to beat the author with a keyboard. Pick one. Preferably Gliese, the correct one, but I'd really prefer you to be consistently wrong than inconsistent.
 
2012-07-21 03:59:40 AM  
So, start pointing radio telescopes at it and start listening.
 
2012-07-21 04:16:50 AM  
All I know is, we're entirely behind schedule to colonize other planets so our descendants can fight over them with giant robots.

GET ON WITH IT, GODDAMN IT!
 
2012-07-21 04:32:15 AM  
Also:

encrypted-tbn2.google.com

"Get your ass to Mars."
 
2012-07-21 07:02:22 AM  
We can name it after Steve Brule's mom...if we want.
 
2012-07-21 07:53:09 AM  

NobleHam: Dear God, that article switches between Gilese and Gliese so many times I want to beat the author with a keyboard. Pick one. Preferably Gliese, the correct one, but I'd really prefer you to be consistently wrong than inconsistent.


Spell Czech syndrome, had to ignore the warning for it and never noticed they were actually getting it wrong half the time.
 
2012-07-21 08:26:21 AM  
Perhaps this is due to lack of coffee but how habitable is habitable? I mean Mars is technically habitable for certain kinds of life. Are they saying these are M Class planets?
 
2012-07-21 08:38:01 AM  

Vaneshi: Perhaps this is due to lack of coffee but how habitable is habitable? I mean Mars is technically habitable for certain kinds of life. Are they saying these are M Class planets?


FTFA: As Abel Torres of Planetary Habitability Laboratory notes, "These factors combine to make Gliese 581g the most Earth-like planet known with an Earth Similarity Index, a measure of Earth-likeness from zero to one, of 0.92 and higher than the previously top candidate Gliese 667Cc, discovered last year."

Mars rates .66.

img.gawkerassets.com
 
2012-07-21 08:38:11 AM  
New data from Steven Vogt of UC Santa Cruz clearly shows that it's quite real. And what's just as exciting is the realization that there are now two potentially habitable planets orbiting the same star.

1.bp.blogspot.com
 
2012-07-21 08:42:29 AM  
But I don't know all the details of what constitutes this "Earth-like" index. Having a dynamic environmental system based on liquid water, as in Earth's case, is probably out of the question (since if they knew that was the case, it would be a Really Big Deal). Likely they also don't know what atmosphere the planet may have, if any, since it is a pretty recent discovery and it takes a bit of staring at a planet to work out the chemical breakdown of the atmosphere, based on its reflected light.

The index is probably based around the planet's size, mass/density, and intensity of light received from its star.
 
2012-07-21 08:48:18 AM  

Vaneshi: Perhaps this is due to lack of coffee but how habitable is habitable? I mean Mars is technically habitable for certain kinds of life. Are they saying these are M Class planets?


No.
Habitable as in "something might be able to live there".

I think the higher gravity alone would make it an uncomfortable place for humans, at best.
 
2012-07-21 09:01:24 AM  

Niveras:
[img.gawkerassets.com image 500x250]


K Class possible L Class then.

Fair enough, still caffinating nicely.
 
2012-07-21 09:23:26 AM  
 
2012-07-21 09:39:35 AM  
What is really going to be exciting is when we can actually image exoplanets, because at that point we'll be able to do spectroscopy on their atmospheres and if we detect oxygen (on a terrestrial planet, anyway) we'll know almost for certain that something is up.
 
2012-07-21 10:01:28 AM  

gilgamesh23: What is really going to be exciting is when we can actually image exoplanets, because at that point we'll be able to do spectroscopy on their atmospheres and if we detect oxygen (on a terrestrial planet, anyway) we'll know almost for certain that something is up.


And we'd be able to see from the reflected light if there is any green plant growth, which would make it ideal...

...up until the moment you find out that prevalent throughout the ecosystem is an organic compound which is common and harmless to the local life, but acts as a Deadly nerve-agent to any life from earth.
 
2012-07-21 10:13:30 AM  

Smoking GNU: gilgamesh23: What is really going to be exciting is when we can actually image exoplanets, because at that point we'll be able to do spectroscopy on their atmospheres and if we detect oxygen (on a terrestrial planet, anyway) we'll know almost for certain that something is up.

And we'd be able to see from the reflected light if there is any green plant growth, which would make it ideal...

...up until the moment you find out that prevalent throughout the ecosystem is an organic compound which is common and harmless to the local life, but acts as a Deadly nerve-agent to any life from earth.


Or the air around the surface is chock full of a bacteria that melts human organs when inhaled.
 
2012-07-21 10:38:23 AM  

Bleyo: Smoking GNU: gilgamesh23: What is really going to be exciting is when we can actually image exoplanets, because at that point we'll be able to do spectroscopy on their atmospheres and if we detect oxygen (on a terrestrial planet, anyway) we'll know almost for certain that something is up.

And we'd be able to see from the reflected light if there is any green plant growth, which would make it ideal...

...up until the moment you find out that prevalent throughout the ecosystem is an organic compound which is common and harmless to the local life, but acts as a Deadly nerve-agent to any life from earth.

Or the air around the surface is chock full of a bacteria that melts human organs when inhaled.


Meh, it would still be easier to terraform than some barren rock like the Moon or Mars. Fark the local life-forms, humans need some manifest destiny up in that biatch.
 
2012-07-21 11:26:01 AM  

Niveras: But I don't know all the details of what constitutes this "Earth-like" index. Having a dynamic environmental system based on liquid water, as in Earth's case, is probably out of the question (since if they knew that was the case, it would be a Really Big Deal). Likely they also don't know what atmosphere the planet may have, if any, since it is a pretty recent discovery and it takes a bit of staring at a planet to work out the chemical breakdown of the atmosphere, based on its reflected light.

The index is probably based around the planet's size, mass/density, and intensity of light received from its star.


This planet was detected through perturbation of the star (i.e. watching the star "wobble" when pulled by the gravity of its orbiting planets). No direct observation of the planet is or can currently be made so we don't know what the reflected light looks like. I think (not positive) that we will be able to get that info once the James Webb telescope is launched, which is currently planned for 2018.

Also, you are right we know the light received and the mass, but size (and density) is a bit of a guess based on assumptions about composition.
 
2012-07-21 01:48:16 PM  
I assume the Mormons are drawing up plans for a colony ship. It's funny how often SciFi stories have an angle where Mormons take the lead in expanding the human footprint.
 
2012-07-21 05:30:40 PM  

jtown: I assume the Mormons are drawing up plans for a colony ship. It's funny how often SciFi stories have an angle where Mormons take the lead in expanding the human footprint.


The Jesuits also seem to be heading into space pretty frequently.
 
2012-07-21 06:07:43 PM  

jtown: I assume the Mormons are drawing up plans for a colony ship. It's funny how often SciFi stories have an angle where Mormons take the lead in expanding the human footprint.


You don't actually think they hollowed out Granite Mountain in the Wasatch mountains for nuke-proof "records storage" do you?
 
2012-07-21 07:01:18 PM  

jtown: I assume the Mormons are drawing up plans for a colony ship. It's funny how often SciFi stories have an angle where Mormons take the lead in expanding the human footprint.


It's hardly an unusual scenario for some group facing persecution to set sail towards greener pastures. Much of America was colonized that way.

/If I ever get around to writing the book in my head I'd probably use a similar theme.
/probably not with Mormons tho.
 
2012-07-22 07:57:40 AM  

Cthulhu_is_my_homeboy: Bleyo: Smoking GNU: gilgamesh23: What is really going to be exciting is when we can actually image exoplanets, because at that point we'll be able to do spectroscopy on their atmospheres and if we detect oxygen (on a terrestrial planet, anyway) we'll know almost for certain that something is up.

And we'd be able to see from the reflected light if there is any green plant growth, which would make it ideal...

...up until the moment you find out that prevalent throughout the ecosystem is an organic compound which is common and harmless to the local life, but acts as a Deadly nerve-agent to any life from earth.

Or the air around the surface is chock full of a bacteria that melts human organs when inhaled.

Meh, it would still be easier to terraform than some barren rock like the Moon or Mars. Fark the local life-forms, humans need some manifest destiny up in that biatch.


Have you read Red Claw, by Philip Palmer?. It's a quirky story set in a scientific expedition to a jungle planet in a future where humanity does exactly that. I think there are a couple other books set in the same universe. Very enjoyable reads.
 
2012-07-22 01:03:10 PM  
But, but, people shot a movie theater?
 
2012-07-23 11:13:12 AM  

Cthulhu_is_my_homeboy: All I know is, we're entirely behind schedule to colonize other planets so our descendants can fight over them with giant robots.

GET ON WITH IT, GODDAMN IT!


Because Katrina Steiner is Awesome.
 
2012-07-23 06:52:25 PM  

Ed 'Too Tall' Jones: Gliese 581, not "Gilese".

/I know it's wrong in TFA
//How'd all these nits get in here?


Thank you. The headline was making my eye twitch.
 
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