He comes a half second before she does, a mutual gravitational collapse.
It occurs when the internal gas pressure is not strong enough to prevent gravitational collapse of a region filled with matter.
He could talk about gravitational collapse, yet not know what a Cepheid was.
His work in general relativity included the theory of gravitational collapse.
Doing so helps prevent the gravitational collapse of the airway.
This skeletal structure is strong enough to resist gravitational collapse.
The Sun formed about 4.6 billion years ago from the gravitational collapse of a region within a large molecular cloud.
Let me go back to my earlier discussion of gravitational collapse.
It modifies the scenario of gravitational collapse in the following way.
At the time, the only known source for the solar power output was gravitational collapse.