课程：天体力学，宇宙学，恒星物理学，星系演化，类星体，恒星的分布和运动，星际介质。
Students will complete courses in: celestial mechanics. cosmology. stellar physics. galactic evolution. quasars. stellar distribution and motion. and interstellar medium among possible others.
他们的计算显示崩塌恒星的事件穹界从来不会完全形成，或者至少对从远处观察黑洞的那位物理学家来说是不会完全形成的。
Their calculations suggest that the event horizon for collapsing stars never quite comes into existence, at least, not for the colleague watching from far away.
“我们知道我们银河系里几十个恒星黑洞，但是不知道它们的年龄。”位于伯克利的加利福尼亚大学的天体物理学家Alex Filippenko说。
"We know of several dozen stellar black holes in our galaxy but don't know their ages," said Alex Filippenko, an astrophysicist at the University of California at Berkeley.
应用推荐