black hole
Why Hawking is Wrong About Black Holes
A recent paper by Stephen Hawking has created quite a stir, even leading Nature News to declare there are no black…
What is on the Other Side of a Black Hole?
Picture an entire star collapsed down into a gravitational singularity. An object with so much mass, compressed so tightly, that…
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…
‘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…
- Aeronautics
- Astronomy
- Black Holes
- esa
- Missions
- Space Exploration
- Space Exploration Technologies
- Space Flight
Navigating the Cosmos by Quasar
50 million light-years away a quasar resides in the hub of galaxy NGC 4438, an incredibly bright source of light…
Supermassive Black Holes Keep Galaxies From Getting Bigger
It's long been a mystery for astronomers: why aren't galaxies bigger? What regulates their rates of star formation and keeps…
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…
A Galaxy Grows Fat on Nearby Gas
If you live in the U.S. you may be enjoying a sultry summer day off in honor of Independence Day,…
Black Hole Bonanza! Dozens (Potentially) Found In Andromeda As Another Study Probes X-Rays
More than two DOZEN potential black holes have been found in the nearest galaxy to our own. As if that…
Milky Way’s Black Hole Munches On Supercooked Gas
It's a simple menu, but smoking hot. The black hole at the center of the Milky Way galaxy is sucking…