Thread: National Geographic Does A Study On Darwin 4, An Alien Ecosystem
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Unread 04-01-2010, 07:14 AM   #18
Professor Smarmiarty
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In those cases it would depend on a lot of factors, such as how far away the planet was, how strong the signal was, how good your detector is and what frequencies you are looking at.
A few bacteria on the surface of a plent won't be detectable by this means- you would need multicellular organisms. To be feasible you would need a planet covered in plant-life on a similar scale to earth- that is the calculated example and in this case the effect is strong enough that pretty much any planet we can detect emissions from we could check. Animals would make it stronger.
If a planet was say mostly desert with scattered plants it would be difficult and we'd need to be very lucky.
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