Starry Wreath in Pegasus

The James Webb Space Telescope spies the spiral galaxy NGC 7469, located 220 million light-years from Earth in the constellation Pegasus, in this image released on Dec. 21, 2022. This galaxy is

IXPE Measures Exploded Star Remains

When a massive star collapsed in the Cassiopeia constellation, it generated a supernova explosion with some of the fastest shockwaves in the Milky Way. These speedy shock waves are one of the

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