Proof That White Dwarfs Can Reignite and Explode as Supernovae
New research shows without a doubt that white dwarf stars can reignite and explode as supernovae. Astronomers using ESA’s Integral gamma-ray observatory have demonstrated beyond…
Supernova
New ScienceCasts Video: Evidence for Supernovas Near Earth
A new four minute ScienceCasts video examines evidence that our solar system is inside a bubble of hot gas created by supernova explosions. ScienceCasts: Evidence…
Supernova 2014J Reveals Key Information About Our Universe
Astronomers used a vast network of radio telescopes to obtain many images of supernova 2014J, revealing a lack of radio emission from the supernova and…
The Destructive Results of a Mighty Supernova Explosion
This composite image shows the remnant of a supernova that would have been witnessed on Earth 3,700 years ago. This image from the Chandra X-Ray…
A New Supernova Model Challenges the Predominant One
A newly published study from the Institute of Astrophysics of Andalusia discards possibility that type Ia supernovae might stem from explosions of white dwarfs nourished…
Chandra Helps to Determine What Caused Supernova SN2014J to Explode
Scientists are using Chandra data to help determine what caused the Type Ia supernova SN 2014J to explode. New data from NASA’s Chandra X-ray Observatory…
Calcium-Rich Supernovae Formed by Colliding White Dwarfs and Neutron Stars
A new study from astrophysicists at the University of Warwick reveals that calcium-rich supernovae are likely created by white dwarf stars crashing into neutron stars….
Hubble Discovers Iax Supernova Linked to Potential “Zombie Star”
Astronomers used the Hubble Space Telescope to view the light of a star that had lost its outer hydrogen envelope after a Type Iax supernova…
New Technique Provides a Clear and Rapid Means of Classifying Supernova Remnants
By observing specific X-ray emissions from iron atoms in the core of supernova remnants, astronomers developed a new technique that provides a clear and rapid…
Dark Energy Survey Reveals a Rare Superluminous Supernova
The Dark Energy Survey has revealed a rare, ‘superluminous’ supernova that erupted in a galaxy 7.8 billion light years away. The first images taken by…
Hubble Views Supernova SN1995E in Spiral Galaxy NGC 2441
This newly released Hubble image shows spiral galaxy NGC 2441 and supernova SN1995E. This bright spiral galaxy is known as NGC 2441, located in the…
Spitzer Discovers a Rare Supernova Where a Dead Star “Fed” Off an Aging Star
Using data from NASA’s Spitzer Space Telescope, astronomers examined a rare example of Type Ia explosion in which a dead star “fed” off an aging…
Astronomers View Pulsar Encased in Supernova Bubble
This XMM-Newton image reveals a strongly magnetized, rotating neutron star and the remains of the explosion that generated it. Massive stars end their lives with…
First Direct Confirmation of a Wolf-Rayet Star Self-Destructing in a Type IIb Supernova
Using an innovative sky survey called the intermediate Palomar Transient Factory, scientists have the first direct confirmation that a Wolf-Rayet star died in a violent…
Supernova Remnant G352.7-0.1 Displays Several Unusual Properties
Astronomers have discovered that supernova remnant G352.7-0.1 is sweeping up a remarkable amount of material as it expands, an amount equivalent to about 45 times…
Researchers Observe SN 2014J in the Nearby Galaxy M82
A newly published study details the discovery of the closest type Ia supernova discovered in a generation, the discovery of SN 2014J in the nearby…
3D Model Provides New Insight into the Turbulent Death Throes of Supernovas
A new 3D model provides new insight into the turbulent death throes of supernovas, showing a turbulent interior that spits out star remnants prior to…
Hubble Space Telescope Views New Supernova in Messier 82
This newly released Hubble image shows the new supernova in Messier 82. Spiral galaxy Messier 82 has long been known for its remarkable starburst activity,…