Galaxy Mergers

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…

4 years ago

A Stellar Stream of Stars, Stolen from Another Galaxy

Modern professional astronomers aren't much like astronomers of old. They don't spend every suitable evening with their eyes glued to…

4 years ago

Astronomers Find a Galaxy Containing Three Supermassive Black Holes at the Center

NGC 6240 is a puzzle to astronomers. For a long time, astronomers thought the galaxy is a result of a…

5 years ago

Astronomers Have Found a Place With Three Supermassive Black Holes Orbiting Around Each Other

Astronomers have spotted three supermassive black holes (SMBHs) at the center of three colliding galaxies a billion light years away…

5 years ago

The Earliest Example of Merging Galaxies Ever Found

Galaxy mergers are not particularly rare, but they are important events. Not only for the galaxies involved, but for scientists…

6 years ago

What is Galactic Evolution?

Galaxies have a natural life cycle, which began shortly after the Big Bang and will likely continue for several trillion…

8 years ago

Lazy Giant Galaxies Gain Mass By Ingesting Smaller Neighbors

The Anglo-Australian Telescope in New South Wales has been watching how lazy giant galaxies gain size - and it isn't…

10 years ago

New Research Sheds Light On Black Hole Growth

In a new study led by University of Central Lancashire astronomer Dr. Victor Debattista, researchers are looking into the mystery…

12 years ago

Speca – An Intriguing Look Into The Beginning Of A Black Hole Jet

[/caption] Its name is SPECA - a Spiral-host Episodic radio galaxy tracing Cluster Accretion. That's certainly a mouthful of words…

13 years ago

Young Star Cluster In Disintegrated Galaxy Reveals First-Ever Intermediate Mass Black Hole

[/caption] Score another first for NASA's Hubble Space Telescope! Along with observations taken with the Swift X-ray telescope, a team…

13 years ago