The idea of black holes hiding in star clusters is not new. Clusters often contain large, bright stars that will eventually become either neutron stars or black holes. Therefore, it is assumed that similar events have already occurred in the cluster. However, the problem lies in proving this. If a...
The event, known as Swift J023017.0+283603 or Swift J0230, has become part of history thanks to a new method of analyzing data collected by the Swift X-ray Telescope (XRT). When a star gets too close to a black hole, the black hole’s gravitational forces create extreme tides that rip the...
“We’re always on the lookout for things that are a little strange and different from the standard types of supernovae that we discover hundreds or even thousands of every year. AT2022aedm stood out as one of the brightest explosions we have ever recorded, and was the fastest in its decay...
In 2007, Katherine Freese, in collaboration with other astrophysicists, proposed the concept of dark stars, which could have formed at an early stage in the existence of the universe. Since then, scientists have continued to build models and refine the list of characteristics that such a star could have. In...
