critical phenomena in gravitational collapse, the initial value problem of general relativity, and relativistic astrophysics. Research in gravitational physics is currently being conducted in JILA.

Roughly 4.6 billion years ago, the Sun was born from the gas and dust of a nebula that underwent gravitational collapse. The ...

If the neutrino burst from the CCSN is not isotropic, it will generate additional gravitational radiation from that of the collapse. Sourced by previously emitted waves, these "bursts with memory ...

and radiation pressure from the nuclear reactions tends to expand it outwards. In other words, the gravitational collapse is balanced by the expansion due to fusion energy.

Massive supergiant stars collapse into neutron stars composed entirely of neutrons, supported against further gravitational collapse by neutron degeneracy pressure. They are 1 trillion times ...

According to the most widely held astronomical model (the nebular hypothesis), new stars are born from massive clouds of dust and gas (aka a nebula) that experience gravitational collapse.

Rather than relying on a cheek swab or a little blood, however, these cosmic DNA tests utilize tiny ripples in the fabric of spacetime called gravitational waves, first proposed by Albert Einstein 110 ...

Asymmetric collapse: Simulations of core-collapse supernovae indicate that existing gravitational-wave detectors such as LIGO could spot telltale signs of cosmic distortions known as gravitational ...

gravitational attraction tends to collapse the star radiation pressure from the fusion reactions tends to expand the star forces caused by gravitational attraction and fusion energy are balanced ...

In 2015, when we detected gravitational waves for the first time ... Space is pockmarked with ones formed when over-massive stars collapse and die: our galaxy alone holds perhaps 100 million ...

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