A Resident’s Guide to Avoiding Deadly Galaxy Explosions
2021-03-11
HIGHLIGHTS OF RESEARCH March 11, 2021 Astronomers have mapped the most harmless environments to life in the Milky Way over the past 13 billion years. A burst of space radiation may have caused mass extinction (artist’s impression) at the end of the Ordovician period about 445 million years ago. Credit:Read More →