Source: NASA – An astrobiology artist’s concept of early Earth
SPACEWEATHER.COM, May 13, 2023
UNEXPECTED CME IMPACT: A CME hit Earth on May 13th at approximately 1915 UT. The unexpected impact was relatively weak, but it could still spark G1-class geomagnetic storms in the hours ahead. Aurora alerts: SMS Text.
SOLAR FLARES AND THE ORIGIN OF LIFE: In 1952 the famous Miller-Urey experiment proved that lightning in the atmosphere of early Earth could produce the chemical building blocks of life. New research reveals that solar flares might do an even better job.
“The production rate of amino acids by lightning is a million times less than by solar protons,” says Vladimir Airapetian of NASA’s Goddard Space Flight Center, a coauthor of the paper, published in the April 2023 issue of Life. (Read full article on the Spaceweather.com link above.)
Continue for more big astronomy headline news.
(Image credit: John A. Paice, from Space.com)
Boom! Astronomers just watched the largest explosion in space rage for 3 years
By Robert Lea published (2 days ago)
The blast lasted for three years and is over ten times as powerful as the brightest supernova.
Astronomers have witnessed the largest explosion in space.
The explosive event labeled AT2021lwx was observed to be ten times brighter than any known supernova, the explosions that occur as massive stars die. And whereas supernova explosions only last a few months, this explosive event has been raging for at least three years.
AT2021lwx is also three times brighter than the light that is emitted as stars are ripped apart and devoured by supermassive black holes, occurrences called “tidal disruption events” or “TDEs.” The blast is around 8 billion light-years from Earth and thus occurred when the universe was just 6 billion years old.
(Read full article on the Space.com link above.)
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