supernova

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…

1 month 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…

2 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,…

3 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…

3 months ago

Hubble’s Photo of the Cygnus Loop is, Of Course, Incredible

If you’re a Star Trek fan, you may think the above image portrays the "Nexus" from the movie Star Trek:…

3 months ago

Supernova Wreckage is Still Expanding at Extreme Speeds After 400 Years

The gas and dust cast off by a supernova explosion keeps moving at a high speed for centuries.

3 months ago

The Last Supernovae

The last supernova in history will be the final burst of light in a cold, dark, and dead cosmos.

4 months ago

There’s a flash of ultraviolet just as a white dwarf is exploding as a supernova

Astronomers recently spotted a rare type of supernova explosion that was accompanied by a massive flare of ultraviolet radiation. Untangling…

4 months ago

Supercomputer Simulation Shows a Supernova 300 Days After it Explodes

The answers to many questions in astronomy are hidden behind the veil of deep time. One of those questions is…

4 months ago

A Star had a Partial Supernova and Kicked Itself Into a High-Speed Journey Across the Milky Way

Supernovae are some of the most powerful events in the Universe. They're extremely energetic, luminous explosions that can light up…

4 months ago