sgr a
Milky Way’s Black Hole Just Flared, Growing 75 Times as Bright for a Few Hours
Even though the black hole at the center of the Milky Way is a monster, it's still rather quiet. Called…
Mysterious Object “G2” at Galactic Center is Actually Binary Star
A mysterious object swinging around the supermassive black hole in the center our galaxy has surprised astronomers by actually surviving…
Object “G2” Still Intact at Closest Approach to Galactic Center, Astronomers Report
The latest observations by the Keck Observatory in Hawaii show that the gas cloud called “G2” was surprisingly still intact,…
Best Evidence Yet for a High-Energy Jet Emanating from the Milky Way’s Black Hole
Jets of high energy particles emanating from a black hole have been detected plenty of times before, but in other…
Sgr A* Could Be a Relic of a Powerful AGN
The early universe was sizzling with active galactic nuclei (AGN) — intensely luminous cores powered by supermassive black holes — most…
Our Galaxy’s Supermassive Black Hole is a Sloppy Eater
Like most galaxies, our Milky Way has a dark monster in its middle: an enormous black hole with the mass…
How do Hypervelocity Stars End up Breaking The Speed Limit?
The Sun is racing through the Galaxy at a speed that is 30 times greater than a space shuttle in…
Galactic Gas Cloud Could Help Spot Hidden Black Holes
The heart of our Milky Way galaxy is an exotic place. It's swarming with gigantic stars, showered by lethal blasts…
Black Hole Jets Might Be Molded by Magnetism
Visible-light Hubble image of the jet emitted by the 3-billion-solar-mass black hole at the heart of galaxy M87 (Feb. 1998)…
The Milky Way’s Black Hole Shoots Out Brightest Flare Ever
This false-color image shows the central region of our Milky Way Galaxy as seen by Chandra. The bright, point-like source…