Science
What happens before a star explodes and dies: New research on ‘pre-supernova’ neutrinos. – Phys.org
A recent study on pre-supernova neutrinos—tiny cosmic particles that are extremely hard to detect—has brought scientists one step closer to understanding what happens to stars before they explode and die. The study, co-authored by postdoctoral researcher Ryos…
A recent study on pre-supernova neutrinostiny cosmic particles that are extremely hard to detecthas brought scientists one step closer to understanding what happens to stars before they explode and d…
Science
“Canary in the coal mine”: Greenland ice has shrunk beyond return, study finds – Sight Magazine
Greenland’s ice sheet may have shrunk past the point of return, with the ice likely to melt away no matter how quickly the world reduces climate-warming emissions, new research suggests.
15 August 2020
CASSANDRA GARRISON
Reuters
Greenland’s ice sheet may have shrunk past the point of return, with the ice likely to melt away no matter how quickly the world reduces climate-warming emissions, new research suggests.
Scientists studied data on 234 glaciers across the Arctic territory spanning 34 years through 2018 and found that annual snowfall was no longer enough to replenish glaciers of the snow and ice being lost to summertime melting.
A fishing vessel sails in the ice fjo…
Science
Humans off the hook? Climate change killed woolly rhinos, says study – The Jakarta Post – Jakarta Post
A woolly brown rhinoceros that weighed two tons once roamed northeastern Siberia before mysteriously disappearing around 14,000 years ago.
A woolly brown rhinoceros that weighed two tons once roamed northeastern Siberia before mysteriously disappearing around 14,000 years ago.
Was its demise caused by humans, or the warming climate of the time?
A new study by a Swedish and Russian team of scientists who examined DNA fragments from the remains of 14 of these prehistoric mammals lets our species off the hook.
They say the population of the animal — also known by its scientific name Coelodonta antiquitatis — remained stable for m…
Science
NASA telescope uncovers the cause of Betelgeuse’s mysterious dimming – CNET
And new observations suggest the red supergiant star is dimming again.
Betelgeuse will go supernova and explode… eventually.
ESO
In the Before Times, when the coronavirus was only just beginning its grim march across the globe, our troubles were much farther away. About 640 light-years farther away, in fact. Astronomers observing Betelgeuse, a red supergiant star, had been puzzled by its mysterious dimming. Some believed the event, which lasted from November 2019 to February 2020, was a portent of doom signaling the star’s upcoming explosion. But then the dimmi…
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