black hole mass

常见例句

Previous estimates of M87's black hole mass registered at some 3 billionsuns, still 1,000 times the size of the Milky Way's welterweight black hole.
原先估计M87星系的黑洞质量为太阳的3亿倍，仍然相当于银河系次中量级黑洞的1000倍。
Most black hole mass seems to come from direct consumption (called accretion) of gas, indicating that a black hole needs a surrounding galaxy to grow.
大多数黑洞聚集物看起来是直接从气体（叫做冲击层）的消耗中间来的，这表明一个黑洞的成长需要周围有一个星系。
Eventually, like a ripening fruit, the galactic mass gets bigger until its ratio to the black hole mass gets to what astronomers have observed in nearby galaxies.
许多天文学家认为，这个比率可以提供一个线索，透露出星系与黑洞形成的先后关系。
huzhangao.blog.163.com

"The fact that there's a very young cluster of stars indicates that the intermediate-mass black hole may have originated as the central black hole in a very low-mass dwarf galaxy, "Sean Farrell, of the Sydney Institute for Astronomy in Australia, said in a statement.
MSN: Rare Black Hole Survives Galaxy's Destruction
In the galaxy NGC 1277, astronomers have discovered a black hole with the mass of 17 billion suns.
FORBES: Astronomers Find One Of The Biggest Supermassive Black Holes Yet
When Farrell and his colleagues discovered HLX-1in 2009, it was the first intermediate-mass black hole known.
MSN: Rare Black Hole Survives Galaxy's Destruction