Supernovae

New Estimate Puts the Supernova Killzone Within 50 Light-Years of Earth

A new paper on supernovae and the effects on Earth increases the so-called "Supernova Kill-Zone" to 50 light years.

7 years ago

Chance Discovery Of A Three Hour Old Supernova

Astronomers get a rare opportunity to observe the first hours of a supernova's collapse.

7 years ago

Weekly Space Hangout – January 27, 2017: Kimberly Cartier & Exoplanet WASP 103b

Host: Fraser Cain (@fcain) Special Guest: Kimberly Cartier ( KimberlyCartier.org / @AstroKimCartier ) (more…)

7 years ago

Kepler Catches Early Flash Of An Exploding Star

The Kepler spacecraft has captured the "shock breakout" of a distant supernova, a twenty minute event that signals the end…

8 years ago

Is the Universe Dying?

Is our 13.8 billion year old universe actually in its death throes? Poor Universe, its demise announced right in it’s…

9 years ago

How Do Stars Go Rogue?

Rogue stars are moving so quickly they’re leaving the Milky Way, and never coming back. How in the Universe could…

9 years ago

Weekly Space Hangout – March 27, 2015: Dark Matter Galaxy “X” with Dr. Sukanya Chakrabarti

Host: Fraser Cain (@fcain) Special Guest: Dr. Sukanya Chakrabarti, Lead Investigator for team that may have discovered Dark Matter Galaxy…

9 years ago

How Many Stars Did It Take To Make Us?

You know the quote, we're made of stardust. Generation after generation of stars created the materials that make us up.…

9 years ago

Gamma Ray Bursts Limit The Habitability of Certain Galaxies, Says Study

Gamma ray bursts (GRBs) are some of the brightest, most dramatic events in the Universe. These cosmic tempests are characterized…

9 years ago

How Do We Measure Distance in the Universe?

This star is X light-years away, that galaxy is X million light-years away. That beginning the Universe is X billion…

9 years ago