Mystery Behind Green Lights From Supernova Remnant Cassiopeia A Finally Solved

Medicine & Technology Jan 10, 2024

The bizarre green light detected from a supernova remnant may have formed when knots of supernova ejecta pierced through an expanding cloud of stellar gas previously shed by a star. Continue reading to learn more.

Cassiopeia A Supernova's Inner Nebula's Bizarre Behavior Likely Due to Collision With a Gas Pocket, Study Claims

Mar 29, 2022

Cassiopeia A supernova's nebula has a strange behavior. Continue reading to learn more about what really happened based on a computer simulation.

Inner Nebula in Cassiopeia A Supernova Discovered to Move Inwards; Bizarre Expansion Suspected as Collision Against an Object

Mar 28, 2022

Cassiopeia A occupied a large space due to a stellar explosion. See more about why part of the supernova moves inward instead of expanding.

NASA Latest X-ray Polarimetry Explorer Space Telescope Shares First Ever Stunning Photo [LOOK]

Feb 15, 2022

The first image from NASA's new X-ray telescope shows the remains of an exploding star that was originally observed in the 17th century.

Beauty After Star Explosions: NASA Shares Photo of 300-Year-Old Cassiopeia A, Supernova Remnant

Aug 04, 2021

Three of NASA's Great Observatories captured an image of Cassiopeia A at three different wavebands, which gave a colorful photo of the supernova remnant in 2005. NASA shared its photo again on its Instagram account.