supernova

Astronomers saw the Same Supernova Three Times Thanks to Gravitational Lensing. And in Twenty Years They Think They’ll see it one More Time

It is hard for humans to wrap their heads around the fact that there are galaxies so far away that…

1 month ago

Supernova Observed by Astronomers in 1181 Could Have Been a Rare Type 1ax That Leaves Behind a “Zombie Star” Remnant

In 1181 CE, Chinese and Japanese astronomers noticed a "guest star" as bright as Saturn briefly appearing in their night…

2 months ago

Shrapnel From Relatively Recent Supernovae Found in the Earth’s Crust

A Japanese oil exploration company recently dug up some samples from the Pacific Ocean floor and donated them to researchers. …

2 months ago

Exploding Stars are Titanium Factories

If you're a fan of titanium, you should head to the nearest supernova. You'll get more than enough of it.…

3 months ago

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…

4 months ago

Low-Cost Approach to Scanning Historic Glass Plates Yields an Astronomical Surprise

A new process highlights an innovative way to get old sky images online… and turned up a potential extra-galactic discovery…

6 months ago

This is the Fireworks Galaxy. It’s had ten Supernovae in the Last Century Alone

Say hello to NGC 6946, otherwise known as the Fireworks Galaxy. This little galaxy is the most prolific producer of…

7 months ago

Astronomers are ready and waiting to detect the neutrino blast from a nearby supernova explosion like Betelgeuse

When giant stars die in impressive supernova blasts, about 99% of the energy released goes into producing a flood of…

9 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…

10 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,…

11 months ago