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Author Topic: New Super-Earth Detected Within the Habitable Zone of a Nearby Cool Star  (Read 2214 times)

Dragonoake

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An international team of scientists led by Carnegie's Guillem Anglada-Escudé and Paul Butler has discovered a potentially habitable super-Earth orbiting a nearby star. The star is a member of a triple star system and has a different makeup than our Sun, being relatively lacking in metallic elements. This discovery demonstrates that habitable planets could form in a greater variety of environments than previously believed.

Science Daily

Owl

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Re: New Super-Earth Detected Within the Habitable Zone of a Nearby Cool Star
« Reply #1 on: February 06, 2012, 03:17:11 pm »
Quote from: Dragonoake;41734
An international team of scientists led by Carnegie's Guillem Anglada-Escudé and Paul Butler has discovered a potentially habitable super-Earth orbiting a nearby star. The star is a member of a triple star system and has a different makeup than our Sun, being relatively lacking in metallic elements. This discovery demonstrates that habitable planets could form in a greater variety of environments than previously believed.

Science Daily

 
Absolutely cool!
Reality is that which, when you stop believing in it, doesn't go away.

Celtag

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Re: New Super-Earth Detected Within the Habitable Zone of a Nearby Cool Star
« Reply #2 on: February 06, 2012, 03:32:56 pm »
Quote from: Dragonoake;41734
An international team of scientists led by Carnegie's Guillem Anglada-Escudé and Paul Butler has discovered a potentially habitable super-Earth orbiting a nearby star. The star is a member of a triple star system and has a different makeup than our Sun, being relatively lacking in metallic elements. This discovery demonstrates that habitable planets could form in a greater variety of environments than previously believed.

Science Daily
They are going to start finding a lot more of these planets I think.
[Now using the Cryfder account]

RandallS

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Re: New Super-Earth Detected Within the Habitable Zone of a Nearby Cool Star
« Reply #3 on: February 06, 2012, 07:09:59 pm »
Quote from: Dragonoake;41734
This discovery demonstrates that habitable planets could form in a greater variety of environments than previously believed.

This part is not surprising in the least. Most people tried to be very conservative in the parameters.
Randall
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victoreia

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Re: New Super-Earth Detected Within the Habitable Zone of a Nearby Cool Star
« Reply #4 on: February 06, 2012, 08:54:45 pm »
Quote from: Dragonoake;41734
An international team of scientists led by Carnegie's Guillem Anglada-Escudé and Paul Butler has discovered a potentially habitable super-Earth orbiting a nearby star. The star is a member of a triple star system and has a different makeup than our Sun, being relatively lacking in metallic elements. This discovery demonstrates that habitable planets could form in a greater variety of environments than previously believed.

Science Daily

 
Gee, does this mean they'll start looking for life-forms based on something other than carbon next? :p
Do. Or do not. There is no try.  --Yoda, The Empire Strikes Back

We are star stuff. We are the universe, made manifest. --Ambassador Delenn, Babylon 5

RandallS

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Re: New Super-Earth Detected Within the Habitable Zone of a Nearby Cool Star
« Reply #5 on: February 07, 2012, 08:21:29 am »
Quote from: victoreia;41777
Gee, does this mean they'll start looking for life-forms based on something other than carbon next? :p

I don't think the possibility has been completely ignored now. But other than moon rocks and meteorites, we haven't had anything to check for alien life.
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Altair

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Re: New Super-Earth Detected Within the Habitable Zone of a Nearby Cool Star
« Reply #6 on: February 07, 2012, 11:10:55 am »
Quote from: RandallS;41805
I don't think the possibility has been completely ignored now. But other than moon rocks and meteorites, we haven't had anything to check for alien life.


The whole "habitable zone" thing irks me a bit. I get it--it makes the most sense to get excited about something that comes closest to conditions familiar to our kind of life. But considering the extreme environments in which forms of life have been found to thrive, right here on Earth, I find the habitable zone concept limiting.

Heck, there's a very real chance for life on Europa and Titan, right here in our own solar system--and far outside the so-called habitable zone.
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Altair

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Re: New Super-Earth Detected Within the Habitable Zone of a Nearby Cool Star
« Reply #7 on: February 07, 2012, 11:14:02 am »
Quote from: Dragonoake;41734
An international team of scientists led by Carnegie's Guillem Anglada-Escudé and Paul Butler has discovered a potentially habitable super-Earth orbiting a nearby star. The star is a member of a triple star system


What a cool religions would develop among sentient beings on a planet with 3 suns? Lots of triple gods, for sure...
The first song sets the wheel in motion / The second is a song of love / The third song tells of Her devotion / The fourth cries joy from the sky above
The fifth song binds our fate to silence / and bids us live each moment well / The sixth unleashes rage and violence / The seventh song has truth to tell
The last song echoes through the ages / to ask its question all night long / And close the circle on these pages / These, the metamythos songs

Dragonoake

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Re: New Super-Earth Detected Within the Habitable Zone of a Nearby Cool Star
« Reply #8 on: February 07, 2012, 10:40:47 pm »
Quote from: victoreia;41777
Gee, does this mean they'll start looking for life-forms based on something other than carbon next? :p


I doubt they'll be looking too hard for anything so exotic any time soon.
While Periodic Law suggests that life-forms based on silicon, tin, or lead are at least theoretically possible, it would be something so different from anything we have ever seen that we wouldn't know what to look for

Besides, other than the Viking experiments on Mars in the 70's, we haven't looked very hard for alien life within our own solar system, let alone on a planet light-years away

Dragonoake

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Re: New Super-Earth Detected Within the Habitable Zone of a Nearby Cool Star
« Reply #9 on: February 07, 2012, 10:43:55 pm »
Quote from: Celtag;41737
They are going to start finding a lot more of these planets I think.


As technology improves, yes, I think they will
They found the "hot Jupiters" first for the simple fact that they are the easiest to spot using current technology

Dragonoake

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Re: New Super-Earth Detected Within the Habitable Zone of a Nearby Cool Star
« Reply #10 on: February 07, 2012, 10:53:11 pm »
Quote from: Altair;41817
I find the habitable zone concept limiting.

Heck, there's a very real chance for life on Europa and Titan, right here in our own solar system--and far outside the so-called habitable zone.


My understanding is that the habitable zone is defined by the possibility of liquid water, so Europa could very well fit that requirement, even if it is a local micro-climate

I'm not so sure about Titan. It clearly has plenty of complex hydrocarbons, but I suspect any organism that thrives in Titan's surface environment would stretch the definition of "life as we know it"

Dragonoake

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Re: New Super-Earth Detected Within the Habitable Zone of a Nearby Cool Star
« Reply #11 on: February 07, 2012, 11:00:35 pm »
Quote from: Altair;41818
What a cool religions would develop among sentient beings on a planet with 3 suns? Lots of triple gods, for sure...


I can't help but think about Isaac Asimov's story Nightfall
It's about a world with several suns, and night time is little more than an apocalyptic legend about a horrible event that happens once every 2000 years or so

thorsvin

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Re: New Super-Earth Detected Within the Habitable Zone of a Nearby Cool Star
« Reply #12 on: February 08, 2012, 08:57:58 am »
Quote from: Altair;41818
What a cool religions would develop among sentient beings on a planet with 3 suns? Lots of triple gods, for sure...

 
I've always been more interested in thinking about their religion than whether or not the life actually exists. From an anthropologist's standpoint studying alien culture would be so FASCINATING!

Altair

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Re: New Super-Earth Detected Within the Habitable Zone of a Nearby Cool Star
« Reply #13 on: February 08, 2012, 11:44:46 am »
Quote from: Altair;41818
What a cool religions would develop among sentient beings on a planet with 3 suns? Lots of triple gods, for sure...


Of course, that assumes that such sentients would even have religion in the first place. For all we know, the need for the numinous may be a quirk of our primate species.
The first song sets the wheel in motion / The second is a song of love / The third song tells of Her devotion / The fourth cries joy from the sky above
The fifth song binds our fate to silence / and bids us live each moment well / The sixth unleashes rage and violence / The seventh song has truth to tell
The last song echoes through the ages / to ask its question all night long / And close the circle on these pages / These, the metamythos songs

Dragonoake

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Re: New Super-Earth Detected Within the Habitable Zone of a Nearby Cool Star
« Reply #14 on: February 08, 2012, 03:30:27 pm »
Quote from: Altair;41983
Of course, that assumes that such sentients would even have religion in the first place. For all we know, the need for the numinous may be a quirk of our primate species.


I tend to agree, there are too many unknown variables to do more than speculate

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