Sentences with phrase «under gravity during»
An extremely compact ball of neutrons created from the central core of a star that collapsed under gravity during a supernova explosion.
http://webbtelescope.org/ Not exact matches
When a massive star collapses under its own gravity during a supernova explosion it forms either a neutron star or black hole.
Estimating both the distance and recession speed of ancient Type - Ia supernovae allow astronomers to calculate the expansion of the universe, back during an era when matter in the universe was still relatively dense and expansion was still slowing under the influence of gravity and before its later hypothesized, subsequent acceleration from a mysterious repulsive force (more from NASA's Observatorium and NERSC's press release).
During several years this snow compacts and turns to ice, and under its own weight, gravity pulls the glacier into a slow drift.