white dwarf

White Dwarfs can Continue Burning Hydrogen, Even After They’re Dead

White dwarfs are supposed to be dead remnants of stars, doomed to simply fade away into the background. But new…

1 month ago

From the way These Stars Look, a Supernova is Inevitable

Sometimes loud explosions are easier to deal with when you know they’re coming.  They are also easier to watch out…

3 months ago

White Dwarf Measured Before it Exploded as a Supernova

Using isotope measurements of a supernova remnant, astronomers have calculated the core density of a white dwarf before it exploded.

4 months ago

How can White Dwarfs Produce Such Powerful Magnetic Fields?

White dwarfs have some surprisingly strong magnetic fields, and one team of astronomers may have finally found the reason why.…

5 months ago

White Dwarf Atmospheres Might Contain the Pulverized Crusts of Their Dead Planets

Astronomers have developed a new technique to search for exoplanets - by looking for their crushed up bones in the…

9 months ago

James Webb Will Look for Signs of Life on Planets Orbiting Dead Stars

Can the galaxy's dead stars help us in our search for life? A group of researchers from Cornell University thinks…

1 year 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…

1 year 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…

1 year ago

White dwarfs are a big source of carbon in the Universe

In their nuclear hearts, stars fuse elements heavier than hydrogen, creating the ingredients necessary to make planets, oceans, and people.…

1 year ago

Astronomers Watch a Nova Go From Start to Finish for the First Time

A nova is a dramatic episode in the life of a binary pair of stars. It's an explosion of bright…

2 years ago