中国日报网21 分钟
China Focus: Chinese scientists find evidence for existence of intermediate-mass black holes
BEIJING -- Chinese astronomers have identified a runaway star that was ejected from the M15 globular cluster, providing ...
Space on MSN37 分钟
Largest Black Hole Found Yet Revealed Through Gravitational Lensing
Learn how a "black hole 30 billion times the mass of the sun in a galaxy 2 billion light years away" using gravitational ...