Cassiopeia (pronounced kass ee oh pee’ uh) the Queen is one of the first constellations amateur astronomers come to recognize. That’s because its five brightest stars form an asterism that ...

Star Gazers 5 Minute #1446 Nov 17-23, 2014 "Cassiopeia: ... But first, we need you to sign in to PBS using one of the services below.

The James Webb Space Telescope has captured new imagery of supernova remnant Cassiopeia A. It is 11,000 light-years away in ...

For six months in 1181, a dying star left a mark in the night sky. The striking object appeared as bright as Saturn in the vicinity of the constellation Cassiopeia, and historical chronicles from ...

JWST image and data give researchers insight into the nature of explosions, Cassiopeia A’s progenitor star and the difficult-to-study interstellar medium WEST LAFAYETTE, Ind. — Images of stars ...

Comparing the new data with the models may also shed light on whether Cassiopeia A was once a single star or part of binary system. This article was originally published on April 11, 2022.

Located 11,000 light-years away in the constellation of Cassiopeia, it is thought to be a star that exploded 340 years ago (as seen from Earth) and it is now one of the brightest radio objects in ...

See the James Webb Telescope’s Stunning New Snapshot of an Exploded Star The supernova, known as Cassiopeia A, is located roughly 11,000 light-years from Earth and could offer insights into ...

By taking photos of the stellar remnant using a range of tools and filters on the James Webb Space Telescope (JWST), astronomers are getting their clearest look ever at Cassiopeia A. Astronomer and ...