Sagittarius A*
What are Active Galactic Nuclei?
The center of large galaxies are active places, where supermassive black holes pump out an incredible amount of light and…
Will Our Black Hole Eat the Milky Way?
As soon as you learn about the supermassive black hole at the center of the Milky Way, your next thought…
A Star Is About To Go 2.5% The Speed Of Light Past A Black Hole
Using the Very Large Telescope (VLT), researchers are about to observe the stars orbiting Sagittarius A*, which will test Einstein's…
10 Interesting Facts About the Milky Way
The Milky Way Galaxy is an immense and very interesting place. Not only does it measure some 120,000–180,000 light-years in…
Astronomers Poised to Capture Image of Supermassive Milky Way Black Hole
Scientists have long suspected that supermassive black holes (SMBH) reside at the center of every large galaxy in our universe.…
How Much of the Universe is Black Holes?
We all fear black holes, but how many of them are there out there, really? Between the stellar mass black…
‘Light Echos’ Reveal Old, Bright Outbursts Near Milky Way’s Black Hole
How's that for a beacon? NASA's Chandra X-ray Observatory has tracked down evidence of at least a couple of past…
Gas Cloud Will Collide with our Galaxy’s Black Hole in 2013
Scientists have determined a giant gas cloud is on a collision course with the black hole in the center of…
Chandra Stares Deep into the Heart of Sagittarius A*
Caption: Latest Chandra image of Sgr A*. Credits: X-ray: NASA/CXC/MIT/F. Baganoff, R. Shcherbakov et al. How long can you stare…
What is Sagittarius A*?
At the very heart of the Milky Way is a region known as Sagittarius A*. This region is known the…