Black Holes
GRB Central Engines Observed in Nearby Supernovae?
[/caption] Are the relativistic jets of long gamma ray bursts (GRBs) produced by brand new black holes? Do some core-collapse…
Extra-Galactic Whopper Black Hole Breaks Distance Record
[/caption] Not only is a newly found black huge, it also is the most far-away stellar-mass black hole ever detected.…
Dual Black Holes Spinning in a Cosmic Dance – Complete with Disco Ball
Caption: An image of the galaxy COSMOS J100043.15+020637.2 taken with the Advanced Camera for Surveys on the Hubble Space Telescope.…
Stellar Destruction Could Be from Intermediate Black Hole
NGC 1399, an elliptical galaxy about 65 million light years from Earth. Credit: NASA, Chandra A dense stellar remnant has…
The Shrinking Doughnut Around a Black Hole
[/caption] Homer Simpson would be sad: recent observations of the binary system of a black hole and its companion star…
Quasar Caught Building Future Home Galaxy
The birth of galaxies is quite a complicated affair, and little is known about whether the supermassive black holes at…
First Black Holes May Have Formed in “Cocoons”
Very likely, the last image that comes to mind when thinking of black holes is that they need to be…
Finding the Mama Bear of Black Holes
While astronomers have studied both big and little black holes for decades, evidence for those middle-sized black holes has been…
Could a Black Hole Fit in Your Computer or In Your Pocket?
[/caption] Some of the most frequently asked questions we get here at Universe Today and Astronomy Cast deal with black…
What is an Event Horizon?
The event horizon of a black hole is the boundary ('horizon') between its 'outside' and its 'inside'; those outside cannot…