gravitational collapse

gravitational-collapse的词性：
n.Astronomy （名词）【天文学】

1. The implosion of a star or other celestial body under the influence of its own gravity, resulting in a body that is many times smaller and denser than the original body.
引力坍缩：在其自身引力影响下恒星或其它天体的向心压挤，形成一个比原来变小和变密许多倍的天体

2. The process by which stars, star clusters, and galaxies form from interstellar gas under the influence of gravity.
引力坍塌：在引力影响下星际气体形成恒星、星云和星系的过程