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  1. Re: Huge asteroid crater found under the ice in Greenland

    NASA finds possible second impact crater under Greenland ice

    Maria-José Viñas Phys.org
    Tue, 12 Feb 2019 10:26 UTC


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  2. Re: Huge asteroid crater found under the ice in Greenland

    Hello bandix,

    I merged your recently posted thread with this pre-existing one.

    Welcome to Avalon, BTW :waving: :)
  3. Re: Huge asteroid crater found under the ice in Greenland

    The Hiawatha Impact Crater

    Visualizations by Cindy Starr Released on November 14, 2018
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  4. Re: Huge asteroid crater found under the ice in Greenland

    Well, the Richat structure is a circular structure that's neither a meteorite impact nor a volcanic crater... the various studies of that circular structure can only conclude to a differential...
  5. Re: Huge asteroid crater found under the ice in Greenland

    Here is a bit about the mechanics of meteoritic impacts. The following doesn't account for the possibility of a meteorite explosion/fragmentation when entering earth atmosphere like in the...
  6. Re: Huge asteroid crater found under the ice in Greenland

    As I wrote, earlier in this thread:
    When one's got the smell of gun-powder smoke, the smoking gun AND the bullets...

    For an idea of size given by the presence of nano-diamonds, iron and carbon...
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