Simultaneous explosions of stars, called supernovae, may have led to one of Earth's mass extinctions 359 million years ago, according to new research.
원문출처 : https://www.cnn.com/2020/08/21/world/supernova-mass-extinction-scn-trnd/index.html
원문출처 : https://www.cnn.com/2020/08/21/world/supernova-mass-extinction-scn-trnd/index.html