Black Holes
Caught in the Act! Merging Galaxies Create a Binary Quasar
[/caption] Excellent teamwork by astronomers working in two different wavebands – x-ray and optical - has led to the discovery…
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.…
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…
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…
An Exotic Source for Cosmic Rays: ‘Baby’ Black Holes
Cosmic rays - particles that have been accelerated to near the speed of light - stream out from our Sun…
Fermi Spies Energetic Blazar Flare
[/caption] The blazar 3C 454.3, a bright source of gamma rays from a galaxy 7 billion light-years away just got…
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…