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(io9)   Remember all those "Earth-like" planets we keep discovering? Yea, about that   ( io9.com) divider line
    More: Followup, planets, main sequence star, circular orbit, semantics, planetary habitability, astronomers, greenhouse effect, cloud cover  
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10962 clicks; posted to Geek » on 27 Dec 2012 at 10:14 PM (5 years ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»

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2012-12-27 11:08:58 PM  
2 votes:

DigitalCoffee: So what would be the practical use of any such find?

Once we've identified an inhabited planet with an intelligent civilization, we can beam them all of our infomercials. No reason we should suffer alone.
2012-12-27 09:32:59 PM  
2 votes:
300B galaxies and this is the only planet that supports life. what more proof of god do you need?
2012-12-27 09:32:52 PM  
2 votes:

doglover: You mean science journalism is pandering bullshiat? Ya don't say.

That's the thing, it's not (always). The stuff I've read about exoplanets has always been pretty good, "we've found such and such a planet with a mass X times that of Earth in the host star's 'habitable zone,' meaning there could be liquid water on its surface." And that's about it, if that gives the impression of a balmy ocean resort planet I don't really see how (but then again, I'm not the salt of the earth, the common clay... etc.). So the question now is: is this really a misperception that people have, or is it a mistake the journalist made up so that he can sound smart by correcting it?
2012-12-27 11:14:38 PM  
1 vote:

T-Boy: Why don't we just send some people to some of these planets and they can report back whether they are habitable

That's an excellent idea. Similar to sending chimps into space to test survivability. Start with Quantum Apostrophe, he's already packed.
2012-12-27 10:49:26 PM  
1 vote:

Cyno01: Well yeah, no shiat, Venus and Mars are "Earth like" planets, but you wouldnt want to live there.

Mars certainly ain't no kind of place to raise your kids.
2012-12-27 10:46:32 PM  
1 vote:
Why don't we just send some people to some of these planets and they can report back whether they are habitable. I mean, if we can see them and they are just planets, as opposed to stars, they can't be too far away. Planets don't even emit light. And as for their suns, we could find out when it is winter in those areas and maybe get a closer look at the stars when it isn't so hot. We can learn a lot from this.
2012-12-27 09:57:49 PM  
1 vote:
Author of TFA:

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2012-12-27 09:29:20 PM  
1 vote:
Well, we found one so far.  So we know it's possible.
2012-12-27 09:11:14 PM  
1 vote:

nmrsnr: Okay, I have a background in astronomy, so my sense of what the common perception of things is is skewed, but did people actually think that "potentially habitable planet" mean a place you would visit on vacation? All of the accounts I've read have made a point of saying that they are 2-5 times the mass of Earth, and while we have no idea what kind of atmosphere it would have, would very likely not be compatible with us, because we evolved very specifically for our atmosphere.

I don't have any real background in astronomy, but I, too, always read "Earth-like" to mean nothing more than "having roughly the barest characteristics to maybe support some kind of atmosphere and liquid water," not that a given exo-planet is literally Earth-like and presently habitable by humans.  I blame the science-news cycle.

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2012-12-27 08:34:20 PM  
1 vote:
Class M is like Risa and Earth but Classes L and K are also habital by Earthlike beings.
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