white dwarf
Astronomers Discover a Strange new Star That Might be From the Collision Between two Dead Stars
With how many stars there are in our galaxy, there are sure to be plenty of different types of them. …
Planet Found in the Habitable Zone of a White Dwarf
Most stars will end their lives as white dwarfs. White dwarfs are the remnant cores of once-luminous stars like our…
Astronomers Discover a Totally New Kind of Nebula
Most Universe Today readers are familiar with nebulae. They're gaseous structures lit up with radiation from nearby stars, and they're…
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…
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…
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.
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.…
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…
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…
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…