black hole
Hubble Zooms in on Double Nucleus in Andromeda Galaxy
This is the sharpest visible-light image ever made of the nucleus of an external galaxy.The event horizon, the closest region around the black hole where light…
ALMA Early Science Result Reveals Starving Galaxies
For years, astronomers have been developing a picture of galaxy evolution in which mergers between spiral galaxies could explain why nearby large elliptical…
NASA'S RXTE Helps Pinpoint Launch of 'Bullets' in a Black Hole's Jet
Racing outward at about one-quarter the speed of light, these “bullets” of ionized gas are thought to arise from a region located just outside the black hole's…
Mirror Casting Event for the Giant Magellan Telescope
Members of the media are invited to visit the mirror lab on Jan. 14 between 9-11 a.m. MST to see the liquid glass as it is spun cast in a rotating oven at a…
NASA's RXTE detects 'heartbeat' of smallest black hole candidate
Named IGR J17091-3624 after the astronomical coordinates of its sky position, the binary system combines a normal star with a black hole that may weigh less…
Record massive black holes discovered lurking in monster galaxies
These black holes are at the centers of two galaxies more than 300 million light years from Earth, and may be the dark remnants of some of the very bright…