Radio-telescope images have revealed previously-unseen galactic cannibalism — a triggering event that leads to feeding frenzies by gigantic black holes at the cores of galaxies.
Radio Telescope Reveals Secrets of Massive Black Hole
At the cores of many galaxies, supermassive black holes expel powerful jets of particles at nearly the speed of light.
VLBA Movies Reveal New Details of Cosmic Jets
Astronomers have known for decades that supermassive black holes at the cores of galaxies can shoot out jets of subatomic particles at tremendous speeds.
Radio Telescopes Provide Key Clue on Black Hole Growth
Astronomers have discovered the strongest evidence yet found indicating that matter is being ejected by a medium-sized black hole, providing valuable insight on a process that may have been key to the development of larger black holes in the early Universe.
VLBA Reveals Closest Pair of Supermassive Black Holes
Astronomers using the National Science Foundation’s Very Long Baseline Array radio telescope have found the closest pair of supermassive black holes ever discovered in the Universe — a duo of monsters that together are more than 150 million times more massive than the Sun and closer together than the Earth and the bright star Vega.
Engine’s Running, But Where’s the Fuel?
Astronomers have found a relatively tiny galaxy whose black-hole-powered central engine is pouring out energy at a rate equal to that of much larger galaxies, and they’re wondering how it manages to do so.