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Temporary polar reversal 42,000 years ago was catastrophic

shunyadragon

shunyadragon
Premium Member
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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Brickjectivity

Turned to Stone. Now I stretch daily.
Staff member
Premium Member
Upheaval and extinctions linked to magnetic reversal 42,000 years ago
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?
 

Brickjectivity

Turned to Stone. Now I stretch daily.
Staff member
Premium Member

Revoltingest

Pragmatic Libertarian
Premium Member
Compasses will still work backwards, but you may consider investing in 2000 rated sun screen.
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.
 

sun rise

The world is on fire
Premium Member
I still have my Y2K generator in the original box in my garage for when the poles change. You never know...
 

Revoltingest

Pragmatic Libertarian
Premium Member
A true devoted hero of the Boy Scouts.
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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