Beyond Neptune lie in the Kuiper Belt , a monolithic asteroid smash twenty time the size of the one between Mars and Jupiter . In this icy , unforgiving surround , organic molecules might still survive , suggest life story ’s construction block are everywhere in the creation .
The Kuiper Belt is n’t just a consistent collection of icy , frozen rocks . or else , astronomers can discover tons of different gloss in the belt ’s dead body , including reds , whites , and blues . Thanks to a newfangled computer model , scientist now have a middling skillful idea what ’s creating all the reds : there are constituent molecules in the Kuiper Belt , buried just beneath the surface of the various objects .
NASA physicist John Cooper is quick to point out this does n’t mean there ’s lifespan in the Kuiper Belt , but the reality is almost as exciting :

“ We ’re not saying that life is produced in the Kuiper Belt . But the basic chemistry may set forth there , as could also pass off in exchangeable Kuiper Belt environments elsewhere in the creation , and that is a born course which could result toward the chemic organic evolution of life . ”
Some of the Kuiper Belt ’s object appear to be far enough aside that the Sun ’s ions do n’t turn their Earth’s surface dim with radiation exposure . Instead , the ions blast the millimeter - thick top level aside to reveal the much thicker red second layer , which is then cooked by the cosmic radiation . This process then would transmute water ice , carbon , methane , nitrogen and ammonium hydroxide – all materials that would call for to be on the objects to describe for the reddish colour , according to the computer models – into organic particle , such as formaldehyde and ethane .
Cooper say these objects are in a sweet spot where these reaction can take station , and that it ’s potential even more complex reactions come :

“ If there was n’t any cookery at all , we would just see primordial ice , and the object would appear vivid and white . And if there was too much radiation we would just see black crust . When you take the correct mix of materials and beam them , you’re able to produce the most complex metal money of molecules . In some vitrine you may be able-bodied to produce the components of life – not just constituent material , but biologic particle such as amino acids . ”
If constituent molecules really can survive in so stale and inhospitable an surroundings as the Kuiper Belt , then they could be pretty much anywhere in the universe – and , indeed , they probably are everywhere . For more on how the Kuiper Belt object get their different colors , check out the original article .
[ Space.com ]

AstrobiologyAstronomyBiologyScienceSpace
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