gravitational collapse in a sentence

Examples

1. The Sun formed about 4.567 billion years ago from the gravitational collapse of a region within a large molecular cloud.
2. Eventually these concentrations form massive filaments which fragment and undergo gravitational collapse forming planetesimals the size of the larger asteroids.
3. This vacuum energy is theoretically unlimited, and if built up quickly enough, will stop gravitational collapse from creating a singularity.
4. When a main-sequence star consumes the hydrogen at its core, the loss of energy generation causes its gravitational collapse to resume.
5. This instability means that although the Kerr metric is axis-symmetric, a black hole created through gravitational collapse may not be so.
6. Eventually, the heat from the gravitational collapse will cool and the objects will no longer be detectable from Earth, she said.
7. "They have formed very recently ( in astronomical terms ) and are still under their own gravitational collapse, " she said.
8. Having exhausted its nuclear fuel, the star is now shining faintly only because of the heat generated by its own gravitational collapse.
9. This minimal formatting example repurposes a classic paper by Stephen Hawking and Roger Penrose " The Singularities of Gravitational Collapse and Cosmology"
10. A star is unstable towards gravitational collapse if the gravitational energy liberated by shrinking would exceed the work required to compress it.