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Temporary polar reversal 42,000 years ago was catastrophic

Discussion in 'Science and Technology' started by shunyadragon, Feb 24, 2021.

  1. shunyadragon

    shunyadragon shunyadragon
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    Temporary polar reversal 42,000 years ago was catastrophic

    Previously polar reversals were considered mild events in geologic history. New research accurately dates the temporary reversal 42,000 years ago was devastating.

    Source: Upheaval and extinctions linked to magnetic reversal 42,000 years ago | EarthSky.org


    Upheaval and extinctions linked to magnetic reversal 42,000 years ago

    Posted by Kelly Whitt in EARTH | HUMAN WORLD

    A magnetic reversal 42,000 years ago helped bring about earthly extinctions, scientists said, accompanied by changes in the sky including electrical storms and widespread auroras. “It would have been scary,” they commented.

    A new international study suggests that a magnetic field reversal – combined with changing solar winds – contributed to an environmental crisis and mass extinctions 42,000 years ago. It happened around the time of the demise of the Neanderthals, an extinct human species that once roamed what’s now Europe, these scientists said, and it would have come with electrical storms, widespread auroras and an influx of cosmic radiation. One of the researchers in the video above commented:

    … it would have been incredibly scary.

    The study’s authors have named this catastrophic time period the Adams Transitional Geomagnetic Event, or Adams Event, a reference to a trope created by Douglas Adams, author of the comedy science fiction series The Hitchhiker’s Guide to the Galaxy. Adams famously wrote that 42 was the answer to:life, the universe and everything.

    The University of New South Wales (UNSW) Sydney, and the South Australian Museum co-led the study, which was published on February 19, 2021, in the peer-reviewed journal Science. As Chris Turney of UNSW – a study co-author – explained in a statement: Earth’s magnetic field dropped to only 0 to 6% strength during the Adams Event. We essentially had no magnetic field at all. Our cosmic radiation shield was totally gone.


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  2. sun rise

    sun rise "This is the Hour of God"
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  3. Brickjectivity

    Brickjectivity Veteran Member
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    On the positive side its probably a lot more surviveable situation than if a supervolcano explodes.

    On a cataclysm scale from 1 to 10 I'd say it was a 5. Just curious where would you place it?
     
  4. shunyadragon

    shunyadragon shunyadragon
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    I give it about a 2 or 3 without more information.
     
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  5. Brickjectivity

    Brickjectivity Veteran Member
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    Things like this are a good enough reason to keep scientific research funded and space exploration development, too in spite of the risk of us harming ourselves. This planet is fragile, its life under constant threat of various bugaboos. We could all be gone before tomorrow has begun.
     
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  6. Revoltingest

    Revoltingest I have the kavorka
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    I'm selling all my stock in compass manufacturers.
     
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  7. shunyadragon

    shunyadragon shunyadragon
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    Compasses will still work backwards, but you may consider investing in 2000 rated sun screen.
     
  8. Revoltingest

    Revoltingest I have the kavorka
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    There'll be a transition during which they won't work.
    I'll re-buy the stock just before it stabilizes...cuz all
    will want new compasses.
     
  9. sun rise

    sun rise "This is the Hour of God"
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    I still have my Y2K generator in the original box in my garage for when the poles change. You never know...
     
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  10. Heyo

    Heyo Well-Known Member

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    Maybe invest in gyro compasses instead. They are more precise anyway. The ancient magnetic compass is just so cheap and "good enough"
     
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  11. Revoltingest

    Revoltingest I have the kavorka
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    Have any good stock tips?
     
  12. shunyadragon

    shunyadragon shunyadragon
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    Actually modern forms of geographic orientation rely on GPS. Compasses are for the most part not used.
     
  13. Revoltingest

    Revoltingest I have the kavorka
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    Wait til WW3 starts....satellites will be the first things
    shot down. Then I'll corner the market on compasses.
     
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  14. shunyadragon

    shunyadragon shunyadragon
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    A true devoted hero of the Boy Scouts.
     
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  15. Revoltingest

    Revoltingest I have the kavorka
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    Although I never joined them.
    It smacked too much of the military....ribbons, medals, uniforms,
    meetings, & oaths. All far too regimented for my taste. It also
    had God stuff in it. Sky fairy beliefs always repelled me.
     
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  16. shunyadragon

    shunyadragon shunyadragon
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    . . . and compasses.
     
  17. Revoltingest

    Revoltingest I have the kavorka
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    I never held that against the compasses or pocket knives.
     
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  18. Aštra’el

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    With worldwide electrical storms and auroras, it must have been a beautiful sight.
     
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  19. shunyadragon

    shunyadragon shunyadragon
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    Just wear your OSHA "269" standard (1910.269(l)(6)" clothing and eye protection or NASA space suits..
     
    #19 shunyadragon, Feb 26, 2021
    Last edited: Feb 26, 2021
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