The shockwave Webb studied emerged from Cassiopeia A, now a neutron star, about 11,000 light-years from Earth. After the ...

When a supernova was seen glittering in the night ... It’s similar to the Doppler effect observed when emergency vehicles turn on their sirens; the horn of an approaching vehicle will emit ...

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When the light from a distant object—like a supernova—passes very near to a foreground galaxy or cluster, something called gravitational lensing causes it to appear multiple times. An effect ...

The gravitational wave memory effect has never been detected ... "Current efforts around the world for the detection of core-collapse supernova gravitational waves are substantial," said Richardson.

Too many people were screaming in space. A generation of 'Alien' knockoffs ended with a terrible but instructive movie with ...

A light echo is created when a star explodes or erupts, flashing light into surrounding clumps of dust and causing them to shine in an ever-expanding pattern.

Supernovae are one of the most useful events in all of astronomy. Scientists can directly measure their power, their spin, ...

Supernova is a relatively straightforward science fiction movie — at least until it isn’t. The plot centers on a six-person hospital ship that answers a distress call and rescues Karl (Peter ...