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Scientists report Wednesday in the journal Nature that the moon Titan may have methane lakes among the dunes that pervade the tropics, the region of the moon between 20 degrees of latitude north and 20 degrees of latitude south.
Like Earth, Titan has clouds, rain and lakes, though they're made up of methane instead of water.
Scientists theorize that the conditions on Titan, which is the only moon in our solar system with an atmosphere, are capable of harboring microbial life, suggesting that organisms could live in methane lakes, as they do in water lakes on Earth.
Originally posted by coven83
One of the first things I learned in science class was that we are a Carbon based life form. The only element in nature that can replace Carbon in organic matter is Silicone. So now try to imagine a Silicon based life form.
Wish I could remember that teachers name.
So I think it likely life could survive anywhere, just not a form of life we have seen yet.edit on 13-6-2012 by coven83 because: (no reason given)
Originally posted by coven83
One of the first things I learned in science class was that we are a Carbon based life form. The only element in nature that can replace Carbon in organic matter is Silicone. So now try to imagine a Silicon based life form.
Wish I could remember that teachers name.
So I think it likely life could survive anywhere, just not a form of life we have seen yet.edit on 13-6-2012 by coven83 because: (no reason given)
Originally posted by PurpleChiten
Originally posted by coven83
One of the first things I learned in science class was that we are a Carbon based life form. The only element in nature that can replace Carbon in organic matter is Silicone. So now try to imagine a Silicon based life form.
Wish I could remember that teachers name.
So I think it likely life could survive anywhere, just not a form of life we have seen yet.edit on 13-6-2012 by coven83 because: (no reason given)
They've actually expanded somewhat beyond silicon:
en.wikipedia.org...
aresenic, boron ....several others. It's ok, it's been a while since we were way back in our school days
Originally posted by OccamsRazor04
Originally posted by PurpleChiten
Originally posted by coven83
One of the first things I learned in science class was that we are a Carbon based life form. The only element in nature that can replace Carbon in organic matter is Silicone. So now try to imagine a Silicon based life form.
Wish I could remember that teachers name.
So I think it likely life could survive anywhere, just not a form of life we have seen yet.edit on 13-6-2012 by coven83 because: (no reason given)
They've actually expanded somewhat beyond silicon:
en.wikipedia.org...
aresenic, boron ....several others. It's ok, it's been a while since we were way back in our school days
None of which have the unique properties of carbon that makes life possible. As much as it would be great to have this kind of diversity, it is highly unlikely, and almost impossible for anything other than the most basic of lifeforms to develop.
Originally posted by kushness
An element similar to carbon may exist which we aren't aware of. Science progresses when a new discovery is made. I'd image the human race still has a ways to go when you consider the immense scale of the universe.
Originally posted by THE_PROFESSIONAL
reply to post by coven83
Life does not have to be limited to carbon or silicon, even more radical elements...also...Angels are made of light Food for thought.
Originally posted by PurpleChiten
Originally posted by coven83
One of the first things I learned in science class was that we are a Carbon based life form. The only element in nature that can replace Carbon in organic matter is Silicone. So now try to imagine a Silicon based life form.
Wish I could remember that teachers name.
So I think it likely life could survive anywhere, just not a form of life we have seen yet.edit on 13-6-2012 by coven83 because: (no reason given)
They've actually expanded somewhat beyond silicon:
en.wikipedia.org...
aresenic, boron ....several others. It's ok, it's been a while since we were way back in our school days
An element similar to carbon may exist which we aren't aware of. Science progresses when a new discovery is made. I'd image the human race still has a ways to go when you consider the immense scale of the universe.
Originally posted by OccamsRazor04
reply to post by PurpleChiten
In many ways the unique properties of water are also needed for life. What happens when water freezes, does it float or sink. Obvious answer. What about methane? Does frozen methane float on liquid methane? I will give you a hint, water is one of a very few substances that is less dense as a solid. What would happen to life if as water froze it sank?
Originally posted by kushness
An element similar to carbon may exist which we aren't aware of. Science progresses when a new discovery is made. I'd image the human race still has a ways to go when you consider the immense scale of the universe.
Originally posted by LifeInDeath
Originally posted by PurpleChiten
Originally posted by coven83
One of the first things I learned in science class was that we are a Carbon based life form. The only element in nature that can replace Carbon in organic matter is Silicone. So now try to imagine a Silicon based life form.
Wish I could remember that teachers name.
So I think it likely life could survive anywhere, just not a form of life we have seen yet.edit on 13-6-2012 by coven83 because: (no reason given)
They've actually expanded somewhat beyond silicon:
en.wikipedia.org...
aresenic, boron ....several others. It's ok, it's been a while since we were way back in our school days
Potentially possible but unnecessary and also unlikely. None of those elements are nearly as common in the Universe as carbon, which along with the other building blocks of life are all among the most abundant (subtract helium, which is inert).
From a different poster:
An element similar to carbon may exist which we aren't aware of. Science progresses when a new discovery is made. I'd image the human race still has a ways to go when you consider the immense scale of the universe.
Not really. We've filled out the periodic table of elements and know everything there is to find that can be naturally occurring in the Universe. All other elements we are "discovering" have to be artificially made in a lab and are so heavy, rare and different they aren't going to be a part of any life generating chemistry. Most of these elements also decay very quickly so their existence is very ephemeral. They is theorized that there could be an "island of stability" with some even high mass elements yet to be synthesized, but still these would not be naturally occurring in nature, so won't be a part of any life we might find elsewhere.
Originally posted by fictitious
Thanks for sharing. This is pretty cool. I wish they would post the pictures they studied to come up with the theory.
They say it rains and has methane lakes. So I'm assuming it only rains methane? Very interesting.
Areas appear dark to the visual and infrared mapping spectrometer when liquid ethane or methane are present. Some regions could be shallow, ankle-deep puddles. Cassini’s radar mapper has seen lakes in the polar region, but hasn’t detected any lakes at low latitudes.
The tropical lakes detected by the visual and infrared mapping spectrometer have remained since 2004. Only once has rain been detected falling and evaporating in the equatorial regions, and only during the recent expected rainy season. Scientists therefore deduce the lakes could not be substantively replenished by rain.