Mergers

When Galaxies Collide, Black Holes Don’t Always Get the Feast They Were Hoping for

What happens when galaxies collide? Well, if any humans are around in about a billion years, they might find out.…

3 months ago

A third of the stars in the Milky Way came from a single merger 10 billion years ago

Ten billion years ago the young Milky Way survived a titanic merger with a neighboring galaxy, eventually consuming the whole…

5 months ago

Merging Black Holes and Neutron Stars. All the Gravitational Wave Events Seen So Far in One Picture

The Theory of Relativity predicted the existence of black holes and neutron stars. Einstein gets the credit for the theory…

6 months ago

New Simulation Shows Exactly What’s Happening as Neutron Stars Merge

Neutron stars are the remnants of massive stars that explode as supernovae at the end of their fusion lives. They're…

6 months ago

Astronomers Find the Hollowed-Out Shell of a Dwarf Galaxy that Collided With the Milky Way Billions of Years Ago

In 2005 astronomers found a dense grouping of stars in the Virgo constellation. It looked like a star cluster, except…

7 months ago

Neutron stars of different masses can make a real mess when they collide

When neutron stars collide, they go out with a tremendous bang, fueling an explosion up to a thousand times more…

9 months 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…

12 months ago

Two White Dwarfs Merged Together Into a Single “Ultramassive” White Dwarf

Astronomers have found a white dwarf that was once two white dwarfs. The pair of stars merged into one about…

1 year ago

Galaxy Zoo Reveals Curious ‘Violin Clef’ Quadruple Galaxy Merger

[/caption] About a month ago, a Galaxy Zoo contributor named Bruno discovered a very unique galaxy merger in the Sloan…

10 years ago