supernova

By Looking Back Through Hubble Data, Astronomers Have Identified six Massive Stars Before They Exploded as Core-Collapse Supernovae

Using images from the Hubble Snapshot Program and archival data, a team of astronomers has located the progenitor stars of…

1 year ago

Hubble saw the Same Supernova at Three Different Times Thanks to Gravitational Lensing

As cosmic events go, supernova explosions epitomize the saying, "Live fast, die young, and leave a good-looking corpse." They're the…

1 year ago

Hubble saw Multiple Light Echoes Reflecting off Rings of Dust From a Supernova Explosion

Using images from Hubble, an international team of astronomers created a video that shows the evolution of a supernova and…

1 year ago

How Dangerous are Nearby Supernovae to Life on Earth?

Life and supernovae don't mix. From a distance, supernovae explosions are fascinating. A star more massive than our Sun runs…

1 year ago

Can Astronomers Predict Which Stars Are About to Explode as Supernovae?

In a recent study submitted to High Energy Astrophysical Phenomena, a team of researchers from Japan discuss strategies to observe,…

1 year ago

Recent Supernovae Produced Giant Cavities in the Orion Nebula

The Orion Nebula is a well-known feature in the night sky and is visible in small backyard telescopes. Orion is…

2 years ago

Do Ancient Coins Record the Supernova of 1054?

SN 1054 was one of the most spectacular astronomical events of all time. The supernova explosion eventually formed what is…

2 years ago

Hubble Sees a Surviving Companion Star After its Partner Went Supernova

When stars die they’re often not alone, and for the first time astronomers have found a companion to a supernova,…

2 years ago

We can Probably Find Supernovae Enhanced by Gravitational Lensing, We Just Need to Look

Gravitational lensing provides an opportunity to see supernovae and other transients much farther than we normally can. A new research…

2 years ago

Supernova Remnant Cassiopeia A is Lopsided

Cassiopeia A is the remnant of a supernova that exploded 11,000 light-years away. The light from the exploding star likely…

2 years ago