White dwarf
Webb Directly Images Two Planets Orbiting White Dwarfs
In several billion years, our Sun will become a white dwarf. What will happen to Jupiter and Saturn when the…
White Dwarfs Could Support Life. So Where are All Their Planets?
Astronomers have found plenty of white dwarf stars surrounded by debris disks. Those disks are the remains of planets destroyed…
JWST Looks at the Debris Disc Around a White Dwarf
White dwarfs are the ultimate fate of stars like our Sun, and one of the most exciting examples is located…
Did this Supernova Explode Twice?
All supernovae are exploding stars. But the nature of a supernova explosion varies quite a bit. One type, named Type…
One Side of This White Dwarf is Covered in Hydrogen While the Other Side is Helium.
Here's a new one. Astronomers have found a white dwarf star - the dead remnant from a main sequence star…
A White Dwarf is Starting to Crystallize into Diamond
White dwarfs are the stellar remnants of stars like our Sun. They're strange objects, and astrophysicists think their cores can…
A White Dwarf is Surrounded by Torn-up Pieces of its Inner Planets and its Kuiper Belt
What will happen to our Sun? In several billion years, it'll cease fusion, shrivel into a white dwarf, and emanate…
Astronomers Spot the Debris From Planets That Formed 10 Billion Years ago
Astronomers find the remnants of ancient planetary systems, and a glimpse of our fate.
A Dying Star’s Last Act was to Destroy all Its Planets
When white dwarfs go wild, their planets suffer through the resulting chaos. The evidence shows up later in and around…
Astronomers Finally Catch a Nova Detonating on a White Dwarf as it's Happening
On July 7, 2020, the X-ray instrument eROSITA captured an astronomical event that – until then – had only been…