supernova

The Debris Cloud From a Supernova Shows an Imprint of the Actual Explosion

Computer models are continuing to play an increasing role in scientific discovery.  Everything from the first moments after the Big…

1 month ago

An All-Sky X-Ray Survey Finds the Biggest Supernova Remnant Ever Seen

Our sky is missing supernovas. Stars live for millions or billions of years. But given the sheer number of stars…

2 months ago

A New Study Says That Betelgeuse Won’t Be Exploding Any Time Soon

I have stood under Orion The Hunter on clear evenings willing its star Betelgeuse to explode. “C'mon, blow up!” In…

2 months ago

Astronomers Think They’ve Found the Neutron Star Remnant Left Behind from Supernova 1987A

It was the brightest supernova in nearly 400 years when it lit the skies of the southern hemisphere in February…

2 months ago

A New Supernova Remnant Found from an Exploding White Dwarf Star

Astronomers have spotted the remnant of a rare type of supernova explosion. It's called a Type Iax supernova, and it's…

3 months ago

There Should be a few Supernovae in the Milky Way Every Century, but we’ve Only Seen 5 in the Last 1000 Years. Why?

Our galaxy hosts supernovae explosions a few times every century, and yet it's been hundreds of years since the last…

4 months ago

Wow, Betelgeuse Might Be 25% Closer than Previously Believed

In the last year, Betelgeuse has experienced two episodes of dimming. Normally, it's one of the ten brightest stars in…

7 months ago

A Supernova Exploded Dangerously Close to Earth 2.5 Million Years Ago

In its 4.5 billion year history, Earth has had to run the gauntlet. Numerous catastrophes have imperilled the planet, from…

7 months ago

Gravitational waves could show what’s happening inside a star as it’s going supernova

It's kind of hard to see inside a star as it's blowing up, because of the whole "blowing up" part,…

8 months ago

The Solar System has been Flying Through the Debris of a Supernova for 33,000 Years

An Ancient Voyage Earth is on a journey… While our planet orbits the Sun each year - a billion kilometers…

8 months ago