binary stars

Massive Binary Stars Huddle Up Surprisingly Quickly

Dancing is a favorite pastime of many couples.  Swinging around a dance floor, using the laws of physics to twirl…

4 years ago

Strange Green Star is the Result of a Merger Between two White Dwarfs

Chandrasekhar found there is an upper limit for the mass of a white dwarf, but some white dwarfs can break…

4 years ago

Astronomers Measure a 1-billion Tesla Magnetic Field on the Surface of a Neutron Star

We recently observed the strongest magnetic field ever recorded in the Universe. The record-breaking field was discovered at the surface…

4 years ago

This is a Binary Star in the Process of Formation

About 460 light years away lies the Rho Ophiuchi cloud complex. It's a molecular cloud—an active star-forming region—and it's one…

4 years ago

Much of the Lithium Here on Earth Came from Exploding White Dwarf Stars

The Big Bang produced the Universe's hydrogen, helium, and a little lithium. Since then, it's been up to stars (for…

4 years ago

Jupiter is so Big that our Solar System almost had two Suns

About half of all the star systems in the galaxy are made of pairs or triplets of stars. Our solar…

5 years ago

Was Betelgeuse Formed by Merging Stars?

Modern humans—or Homo Sapiens—have only been around for about 250,000 years. That's only the blink of an eye in cosmological…

5 years ago

The Most Massive Neutron Star has been Found. It’s ALMOST the Most Massive Neutron Star That’s Even Possible

Neutron stars are the end-state of massive stars that have spent their fuel and exploded as supernovae. There's an upper…

5 years ago

There are Strange Objects Near the Center of the Galaxy. They Look Like Gas, but Behave Like Stars

Using 12 years of data from the W.M. Keck Observatory, a team of astronomers discovered mystery objects near the center…

6 years ago

Weekly Space Hangout – February 3, 2017: Meredith Rawls & the LSST

Host: Fraser Cain (@fcain) Special Guest: Meredith Rawls Meredith is a Postdoctoral Researcher in the Department of Astronomy at the…

8 years ago