white dwarf
Possible Bright Supernova Lights Up Spiral Galaxy M61
I sat straight up in my seat when I learned of the discovery of a possible new supernova in the…
Observing Challenge: 6 White Dwarf Stars to See in Your Backyard Telescope
Looking for something off beat to observe? Some examples of curious astronomical objects lie within the reach of the dedicated…
An Earth-size Diamond in the Sky: The Coolest Known White Dwarf Detected
We live in a vast, dark Universe, which makes the smallest and coolest objects extremely difficult to detect, save for…
‘Cosmic Zombie’ Star Triggered This Explosion In Nearby Galaxy
It might be a bad idea to get close to dead stars. Like a White Walker from Game of Thrones, this "cosmic…
Possible Nova Pops in Cygnus
A newly-discovered star of magnitude +10.9 has flared to life in the constellation Cygnus the Swan. Koichi Nishiyama and Fujio Kabashima, both…
Rocky Alien Planet Leftovers ‘Polluted’ White Dwarf Stars With Metal
What's with all the metals in the atmosphere of white dwarfs, those things that are corpses of stars like our…
How Do You Jumpstart A Dead Star?
It's a staple of science fiction, restarting our dying star with some kind of atomic superbomb. Why is our Sun…
What Is The Future Of Our Sun?
Who knows what the future holds for our Sun? Dr. Mark Morris, a professor of astronomy at UCLA sure knows.…
Will The Sun Explode?
All stars die, some more violently than others. Once our own Sun has consumed all the hydrogen fuel in its…
Bright New Nova In Delphinus — You can See it Tonight With Binoculars
Looking around for something new to see in your binoculars or telescope tonight? How about an object whose name literally…