Lucas Stewart——Works at Airbnb, Lives in San Francisco, CA
A common type of black hole is produced by certain dying stars. ... The star then cools and dies peacefully. This type of star is called a "white dwarf." When a very massive star exhausts its nuclear fuel it explodes as a supernova.read more >>
QuesHub is a place where questions meet answers, it is more authentic than Quora, but you still need to discern the answers provided by the respondents.