28 June 2022
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Latest News
  • [ 9 June 2022 ] Micrometeoroid dings James Webb mirror segment News
  • [ 12 May 2022 ] Milky Way’s supermassive black hole shines in stunning first portrait News
  • [ 9 May 2022 ] Webb optical alignment complete and virtually perfect News
  • [ 2 May 2022 ] Ingenuity zooms over Mars rover’s discarded parachute and backshell News
  • [ 14 April 2022 ] The largest comet ever seen has been measured – and it’s a whopper News
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Jeff Pigott

News

Did Earth receive its water from comets, or geologically from within?

21 December 2014 Astronomy Now

Was the Earth dry and inhospitable to life until icy comets pelted the planet and deposited water on the surface? Two researchers at Ohio State University believe that Earth was formed with water in its interior and propose a mechanism for bringing it to the surface.

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News Headlines

  • Micrometeoroid dings James Webb mirror segment

    9 June 2022
  • Milky Way’s supermassive black hole shines in stunning first portrait

    12 May 2022
  • Webb optical alignment complete and virtually perfect

    9 May 2022
  • Ingenuity zooms over Mars rover’s discarded parachute and backshell

    2 May 2022
  • The largest comet ever seen has been measured – and it’s a whopper

    14 April 2022
  • Home
  • The Magazine
    • About
    • Current Issue
    • Subscribe
    • Renew Subscription
      • August last issue
      • July last issue
      • June last issue
  • AstroFest
  • News
  • Observing
    • UK Sky Chart
    • Almanac
    • Scope Calc
    • DSLR Calc
  • Reviews
    • Equipment
    • Book Reviews
  • Spaceflight Now
  • Shop
  • Contact Us
    • Subscriptions
    • Your Views
    • Ask Astronomy Now
    • Editorial
    • Advertising

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