M
Mike Wehner
Guest
Where did life originate? It's a question that's been asked ever since humans became self-aware, and today we're really no closer to a definitive answer than we were when our ancient ancestors were banging rocks together to make the first crude tools. We have a handful of theories that range from a spontaneous reaction of organic chemicals in a boiling stew on the surface of a young Earth to panspermia (the possibility that life originated on another planet before being transferred to Earth via an asteroid collision), but those remain hypothetical explanations at best.
Now, for the first time ever, researchers have identified what they think are the building blocks of life in a sample from an asteroid in our system. A tiny grain of material from the space rock Itokawa was returned by the Hayabusa probe back in 2010, and scientists were eager to see what it held. Now we're finally getting the answer, and it's pretty exciting.
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Maybe we all came from asteroids after all originally appeared on BGR.com on Thu, 4 Mar 2021 at 23:29:34 EDT. Please see our terms for use of feeds.
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