本文讨论了密度不均匀性对椭球引力坍缩的影响。
The effect of the density inhomogeneity on the gravitational collapse of a spheroid is discussed.
所有的黑洞都是因为恒星的引力坍缩而形成，这种恒星通常有一颗巨大而厚重的核心。
All black holes are formed from the gravitational collapse of a star, usually having a great, massive, core.
坍缩的星际云克服向内的引力而向外膨胀到较宁静的星际环境中去。
Collapsing interstellar cloud reverses its gravitational infall and expands outward into the relatively quiescent interstellar environment.
质量超过临界值时，增加着的引力将造成恒星的无限坍缩。
The addition of matter over this critical value would lead to the collapse of the star without limit because of the ever-increasing gravitational forces.
如果在恒星演化过程有磁应力来支撑引力，超过中子星质量上限的大质量中子星则不致于坍缩成黑洞。
If the magnetic stress bears up the gravitation in the stellar evolution, the big mass neutron star over the neutron - star mass can not collapse into a black hole.
如宇宙的密度足够大，引力就能够克服膨胀，并把宇宙拉回来，直到它最后发生坍缩。
If the universe is dense enough, gravitation can overcome the expansion and pull it back until it ultimately collapses.
地图展示了细丝状暗物质的松散网状结构，逐渐地在引力残酷的牵拉下不断坍缩，并最后变成一个团块。
The map reveals a loose network of dark matter filaments, gradually collapsing under the relentless pull of gravity, and growing clumpier over time.
地图展示了细丝状暗物质的松散网状结构，逐渐地在引力残酷的牵拉下不断坍缩，并最后变成一个团块。
The map reveals a loose network of dark matter filaments, gradually collapsing under the relentless pull of gravity, and growing clumpier over time.
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