gravitational wave astronomy

Here's How We Could Measure the Mass of SgrA* to Within One Solar Mass

The mass of the Milky Way's supermassive black hole, SgrA*, is roughly 4.3 million times the mass of the Sun,…

1 month ago

A CubeSat Mission Will Detect X-rays from GRBs and Black-Hole Mergers

The long-awaited detection of gravitational waves has opened up a whole new world of astronomy. One of the key efforts…

1 month ago

Neutron Stars With Less Mass Than A White Dwarf Might Exist, and LIGO and Virgo Could Find Them

Theoretically a neutron star could have less mass than a white dwarf. If these light neutron stars exist, we might…

2 months ago

Building the Black Hole Family Tree

Many of the black holes astronomers observe are the result of mergers from less massive black holes. Using gravitational waves,…

2 months ago

For Their Next Trick, Gravitational Wave Observatories Could Detect Collapsing Stars

The merging of black holes and neutron stars are among the most energetic events in the universe. Not only do…

6 months ago

Primordial Black Holes Can Only Explain a Fraction of Dark Matter

What is Dark Matter? That question is prominent in discussions about the nature of the Universe. There are many proposed…

9 months ago

Do Neutron Stars Have Mountains? Gravitational Wave Observatories Could Detect Them

Neutron stars are the incredibly dense remnants from massive star supernovae. Although they're pulled into dense spheres by their intense…

1 year ago

Astronomers Might Have Detected the Background Gravitational Waves of the Universe

A new data release from a gravitational wave consortium has revealed indications of the long sough-after gravitational wave background (GWB).

3 years ago