white dwarf

A Guide to Hunting Zombie Stars

Apparently not all supernovas work. And when they fail, they leave behind a half-chewed remnant, still burning from leftover heat…

2 years ago

You’re Looking at an Actual Image of a White Dwarf Feeding on Material from a Larger Red Giant, 650 Light Years from Earth.

The SPHERE planet-hunting instrument on the European Southern Observatory’s Very Large Telescope captured this image of a white dwarf feeding…

2 years ago

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…

2 years ago

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…

3 years ago

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…

3 years ago

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…

3 years ago

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…

3 years ago

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,…

4 years ago

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…

4 years ago

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.

4 years ago