• Water on Earth: "Where Did it Come From?

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/reso/024/05/0575-0582

    • Keywords

       

      Origin of water, D/H ratio, comets, carbonaceous chondrites, olivines, late heavy bombardment era, dehydration melting.

    • Abstract

       

      The question of the origin of water on Earth has been a puzzlesince long. The standard scenario that comets have depositedwater here over eons has many loopholes, and some recentresults have put a question mark on this. Instead, asteroidshave become the favorite candidates for ferrying the water.At the same time, other discoveries seem to hint towards alarge reservoir of water inside Earth.

    • Author Affiliations

       

      Biman Nath1

      1. Raman Research Institute, Sadashivnagar, Bangalore 560 080
    • Dates

       
  • Resonance – Journal of Science Education | News

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