Knowledge evolves

Discussion in 'History' started by Gdjjr, Jan 14, 2020.

  1. Gdjjr
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    Gdjjr VIP Member

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    We are familiar with History we can relate to. What about what we can't possibly fathom?

    Stardust from seven billion years ago found on Earth is ‘oldest ever and older than the sun'


    The researchers learned that some of the presolar grains in their sample were the oldest ever discovered on Earth.

    Based on how many cosmic rays they had soaked up, most of the grains had to be 4.6 to 4.9 billion years old, and some grains were older than 5.5 billion years.

    But the age of the presolar grains was not the end of the discovery.

    As presolar grains are formed when a star dies, they reveal the star's history.

    I don't know about y'all, but, billions of years is hard for me to wrap my head around.

    This sheds a different light on everything, no pun intended.
     
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  2. okfine
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    okfine VIP Member

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    I heard about this on NPR radio the other night. When stars die. The people who put their head down and find these things is amazing.
     
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  3. OldLady
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    OldLady Diamond Member

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    We are stardust
    We are golden
    And we've got to get ourselves
    Back to the garden

    Joni
     
  4. okfine
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    okfine VIP Member

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    Do you listen to Science Friday on NPR radio? I rarely miss it.
     
  5. Gdjjr
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    Gdjjr VIP Member

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    No sir- I did ever once in a while when I did over the road trucking. The only time I listen to any radio now is when I'm in someone else's vehicle. I enjoy the solitude of road noise- LOL
     
  6. whitehall
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    whitehall Diamond Member

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    I read a book about Neanderthal DNA a while back and I was struck with the fact that the in-fighting in the academic community trumped academic honesty. Evidence doesn't matter in this junk science, it's who can post a paper first.
     

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