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comment by am_Unition
am_Unition  ·  2595 days ago  ·  link  ·    ·  parent  ·  post: Rosetta discovers water on comet 67p like nothing on Earth

Most of the heavier elements in our solar system condensed from the accretion disk into the rocky planets, nearer to the sun than the gaseous outer planets. That's why it's so strange to me that we'd find higher abundances of heavier water out in the Kuiper Belt or Oort Cloud than there presumably was/may be on asteroids, which are much more near to the sun.

...I love a good mystery!