Galactic Baby Boom Influenced Life on Earth (SPACE.com)

Sara Goudarzi Staff Writer SPACE.com Mon Nov 27, 9:00 AM ET The stellar baby boom period of the Milky Way sparked a flowering and crashing of life here on Earth , a new study suggests. Some 2.4 billion years ago when the Milky Way started upping its star production, cosmic rays --high-speed atomic particles--started pouring onto our planet, causing instability within the living. Populations of bacteria and algae repeatedly soared and crashed in the oceans . The researchers counted the amount ...