| http://www.w3.org/ns/prov#value | - To answer the question, Fu and Stockton used a telescope-mounted spectroscope to find out what the gas is made of. ???We found that the gas that is spiraling into the black hole is almost pure hydrogen and helium, whereas the stars and other material in the surrounding giant galaxy are heavily contaminated by other elements such as carbon and oxygen,??? said Fu.
|
