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Galaxias activas reunidas en fusión en el universo primario

Galaxias activas reunidas en fusión en el universo primario
notimerica.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from notimerica.com Daily Mail and Mail on Sunday newspapers.

South Pole Telescope , Harvard Cfa , தெற்கு போலே தொலைநோக்கி , ஹார்வர்ட் சிஎஃப்ஏ ,

The Comet --"That Forever Changed Planet Earth"


Posted on Feb 15, 2021 in Astronomy, Evolution, Science
“It must have been an amazing sight, but we don’t want to see that again,” said Harvard astrophysicist, Avi Loeb about the comet that created the the Chicxulub crater off the coast of Mexico that spans 93 miles and runs 12 miles deep that forever changed Earth’s evolutionary history when it crashed 66 million years ago.
The Scene at Impact
The scene of the massive impact that brought the reign of the dinosaurs to an abrupt and calamitous end by triggering their sudden mass extinction, along with the end of almost three-quarters of the plant and animal species living on Earth, has been described by  mass-extinction authority, Peter Brannen in ....

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"Magnetar Power" --Chandra Observatory Captures Exotic Object With Magnetic Field a Million-Billion Times Earth's (Weekend Feature)


 
 
When stars more than thirty times bigger than our sun explode, they produce a type of young neutron star called a magnetar –the most magnetic stars in the universe, with gravity a billion times Earth’s and a magnetic field one-quadrillion times stronger than our Sun’s. A blast from magnetar could blow our atmosphere into space, leaving Earth a lifeless rock. Astronomer Phil Plait describes death by a magnetar should you venture too close as “the tides tearing you to pieces, the fierce heat vaporizing you, the magnetic field tearing your atoms apart, or the intense gravity crushing you into a thin paste an atom high.” ....

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