Latest Cassiopeia A Stories
Since Galileo first pointed a telescope at the sky 400 years ago, a myriad of technological advances have allowed astronomers to look at very faint objects, very distant objects, and even light that's invisible to the human eye.
About ten years ago Space Shuttle Columbia launched hauling 55,000 pounds worth of astronomersâ€™ dreams -- the Chandra X-Ray Observatory.
A team of astronomers, led by Loretta Dunne from the University of Nottingham, have found some very unusual stardust.
Two new efforts have taken a famous supernova remnant from the static to the dynamic.
Hot spots near the shattered remains of an exploded star are echoing the blast's first moments, say scientists using data from NASA's Spitzer Space Telescope.
Astronomers have unearthed secrets from the grave of a star that blasted apart in a supernova explosion long ago.
An international team of astronomers have found the youngest known supernova remnant in the Galaxy. This result has implications for understanding how often supernovas explode in the Milky Way galaxy.
Astronomers have at last found definitive evidence that the universe's first dust â€“ the celestial stuff that seeded future generations of stars and planets â€“ was forged in the explosions of massive stars.
Astronomers using NASA's infrared Spitzer Space Telescope have discovered that an exploded star, named Cassiopeia A, blew up in a somewhat orderly fashion, retaining much of its original onion-like layering.
A new image taken with NASA's Hubble Space Telescope provides a detailed look at the tattered remains of a supernova explosion known as Cassiopeia A (Cas A).
- Withering but not falling off, as a blossom that persists on a twig after flowering.