Here’s the background — Cassiopeia A exploded as a supernova about 11,000 years ago, and its light finally reached Earth around 1670, although the telescopes at the time weren’t powerful ...

“Previous images of Cassiopeia A, one of the most well-studied and important supernova remnants, were beautiful and staggering, but they only scratched the surface,” Milisavljevic said. “They showed ...

The James Webb Space Telescope has captured new imagery of supernova remnant Cassiopeia A. It is 11,000 light-years away in the Cassiopeia constellation. Credit: Space.com | footage courtesy: NASA, ...

NASA has released a new image of supernova remnant Cassiopeia A (Cas A) taken by the James Webb Space Telescope (JWST).JWST used its Near-Infrared Camera (NIRCam) to image Cas A in a different way ...

Cassiopeia A is a supernova remnant located about 11,000 light-years from Earth in the constellation Cassiopeia. It spans approximately 10 light-years.

About 340 years ago, a brilliant light appeared in Earth’s night sky—a distant star had died in an enormous explosion. That light, which we now know is from the supernova Cassiopeia A, has ...

Cassiopeia A comprises the remnants of a supernova explosion and has at its heart a neutron star that doesn’t behave the way scientists think neutron stars ought to behave. “It’s staggering,” ...

Cassiopeia A (Cas A) is a supernova remnant located about 11,000 light-years from Earth in the ...More constellation Cassiopeia. It spans approximately 10 light-years. This new image uses data ...

JWST unveils stunning ejecta and CO structures in Cassiopeia A's young supernova. ScienceDaily. Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2024 / 07 / 240715135800.htm.

One such supernova remnant, Cassiopeia A, or Cas A, was recently imaged using the James Webb Space Telescope’s NIRCam instrument. Located 11,000 light-years away in the constellation of ...

NASA shared the newest Webb image of Cassiopeia A on Twitter and on its website. According to a follow-up tweet from the space agency, light from Cas A’s supernova reached Earth roughly 340 ...

The images range from supernova remnants, like Cassiopeia A, to star-formation regions like the Orion Nebula, to the region at the center of the Milky Way.