white dwarf
348 Years Ago, a French Astronomer Monk Might have Witnessed the Collision Between a White and Brown Dwarf Star
A collision between a white dwarf and a brown dwarf created the object we call CK Vulpeculae. It was first…
Astronomers Figure Out How to use Gravitational Lensing to Measure the Mass of White Dwarfs
An international team of scientists has found a way to use white dwarf stars as gravitational lenses, which will allow…
A Brown Dwarf Prevented a Regular Star from Going Through its Full Life Cycle
A team of Brazilian astronomers recently made an unexpected discovery, a binary system consisting of a low mass-white dwarf with…
This is Kind of Sad. Astronomers Find a Failed Star Orbiting a Dead Star
A study by a team of international astronomers spotted something truly rare - a failed star orbiting a star near…
Astronomers Measure the Mass of a White Dwarf, and Prove Einstein was Right… Again
Using the Hubble Space Telescope, a team of NASA astronomers has repeated an old experiment that was used to confirm…
What Are Multiple Star Systems?
Not all stars are alone. Some come in pairs and more. And when there are multiple stars in a system,…
What is a Nova?
We’ve talked about supernovae plenty of times, but what about just regular, plain old novae? What are they, and how…
Bright Binocular Nova Discovered in Lupus
A powerful explosion on an otherwise obscure star in the constellation Lupus is now bright enough to see in binoculars.
What are Quark Stars?
Astronomers have theorized there could be an intermediate stage between neutron stars and black holes called quark stars. Are they…
Can Stars Be Cold?
Stars are hot, we know that, everyone knows that. But are there “cold stars”? It all depends on what you…