Hubble Hooks a One-Arm Galaxy
NGC 4618 was discovered on April 9, 1787, by the German-British astronomer William Herschel, who also discovered Uranus in 1781. Only a year before discovering NGC 4618, Herschel theorized that…
Hubble Finds Best Evidence for Elusive Mid-Sized Black Hole
Astronomers have found the best evidence for the perpetrator of a cosmic homicide: a black hole of an elusive class known as “intermediate-mass,” which betrayed its existence by tearing apart…
Hubble Fingerprints a Galaxy
The NASA/ESA Hubble Space Telescope is no stranger to spiral galaxies. The telescope has brought us some of the most beautiful images ever taken of our spiral neighbors — and the galaxy…
Hubble Spots Galaxy’s Dramatic Details
Some of the most dramatic events in the universe occur when certain stars die — and explode catastrophically in the process. Such explosions, known as supernovae, mainly occur in a couple…
Hubble Detects Dynamic Galactic Duo
Some galaxies are closer friends than others. While many live their own separate, solitary lives, others stray a little too close to a near neighbor and take their friendship even…