As light from the explosion, which we now call Cassiopeia A, expanded outwards ... discovery that the medium is arranged in ...

The James Webb Space Telescope captured photos of one of the earliest supernovas ever seen using infrared technology, and creating a time lapse of the phenomena.

Light Echoes Near Cassiopeia A (NIRCam ... The images also show dense, tightly wound regions that resemble knots in wood grain. These may represent magnetic "islands" embedded within the more ...

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.

NASA/JPL/CalTech; Image Processing: NASA/CXC/SAO/J. Schmidt and K. Arcand This combined research of Cassiopeia A has also helped astronomers better understand the explosion that created the ...

The infrared glow created was captured by JWST, revealing details that look like knots and whorls found ... one of dozens found near remains of the Cassiopeia A supernova. The Webb images show ...