supernova
Zwicky Classifies More Than 10,000 Exploding Stars
Even if you knew nothing about astronomy, you'd understand that exploding stars are forceful and consequential events. How could they…
Do We Really Know What Becomes a Type Ia Supernova?
Type Ia supernovae are crucial to our understanding of cosmology. But we still don't fully understand what causes them.
A Nearby Supernova Could Finally Reveal Dark Matter
Despite 90 years of research, the nature and influence of Dark Matter continue to elude astronomers and cosmologists. First proposed…
The First Close-Up Picture of Star Outside the Milky Way
Like a performer preparing for their big finale, a distant star is shedding its outer layers and preparing to explode…
A Star Disappeared in Andromeda, Replaced by a Black Hole
Massive stars about eight times more massive than the Sun explode as supernovae at the end of their lives. The…
Learning More About Supernovae Through Stardust
Dust grains older than the Sun can tell us about how supernovae enriched the cosmos with heavy elements, but the…
This Ancient Supernova Remnant Looks Like a Stellar Dandelion
In 1181, Japanese and Chinese astronomers saw a bright light appear in the constellation Cassiopeia. It shone for six months,…
Webb Finds Dozens of Supernovae Remnants in the Triangulum Galaxy
Infrared astronomy has revealed so much about the Universe, ranging from protoplanetary disks and nebulae to brown dwarfs, aurorae, and…
How a Nearby Supernova Left its Mark on Earth Life
When a massive star explodes as a supernova, it does more than release an extraordinary amount of energy. Supernovae explosions…
Only Hubble Could Make this Measurement of a Supernova
Calculating the distance to far-away objects, such as galaxy clusters and quasars, is difficult. But it is also critical to…