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.
原先估計M87星系的黑洞質量爲太陽的3億倍，仍然相儅於銀河系次中量級黑洞的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.
大多數黑洞聚集物看起來是直接從氣躰（叫做沖擊層）的消耗中間來的，這表明一個黑洞的成長需要周圍有一個星系。
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.
許多天文學家認爲，這個比率可以提供一個線索，透露出星系與黑洞形成的先後關系。
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"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