Galaxy's youngest known supernova is 140 years old
Wednesday, May 14, 2008 - 15:35
in Astronomy & Space
CAPE CANAVERAL, Fla. (AP) -- Astronomers have discovered the youngest known supernova in the Milky Way galaxy, still just a baby at 140 years old. The scientists, who announced their findings Wednesday, used a radio observatory in New Mexico and NASA's Chandra X-ray Observatory in space to identify when the supernova, or stellar, explosion occurred. They put the star-dying event at sometime around 1868....