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aurareturn 3 days ago [-]
The discovery of all five nucleobases on Ryugu suggests the molecular ingredients of life may have been already forming in space billions of years ago. Asteroids may have helped deliver those ingredients to the early Earth – making the origin of life part of a much larger cosmic chemical story.
Why do we think that Earth needed those ingredients from asteroids when the same rocks formed Earth - thus, giving Earth everything it needs without asteroids?
MrBuddyCasino 3 days ago [-]
I suppose those don’t survive the “earth forming” part?
aurareturn 3 days ago [-]
But survives a high speed impact from outer space?
The Rugyu sample is interesting because it basically rules out earth contamination