We don't want to scare you, but our own Milky Way is on a collision course with Andromeda, the closest spiral galaxy to our own. At some point during the next few billion years, our galaxy and Andromeda – which also happen ...
Astronomy
Oct 3, 2016
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Without the light pressure from nuclear fusion to hold back the mass of the star, the outer layers compress inward in an instant. The star dies, exploding violently as a supernova.
Astronomy
Aug 11, 2015
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Scientists using NASA's Hubble Space Telescope have discovered that the immense halo of gas enveloping the Andromeda galaxy, our nearest massive galactic neighbor, is about six times larger and 1,000 times more massive than ...
Astronomy
May 7, 2015
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Astronomers have made a rare discovery in the early universe involving two actively feeding supermassive black holes—or quasars—just 10,000 light-years apart from each other, that are on the verge of a colossal collision.
Astronomy
Apr 5, 2023
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(PhysOrg.com) -- Resembling looming rain clouds on a stormy day, dark lanes of dust crisscross the giant elliptical galaxy Centaurus A.
Astronomy
Jan 4, 2012
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One hundred years ago this month, Albert Einstein published his theory of general relativity, one of the most important scientific achievements in the last century.
Astronomy
Nov 23, 2015
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(PhysOrg.com) -- A flare-up in a jet of matter blasting from a monster black hole is giving astronomers an incredible light show.
Astronomy
Apr 14, 2009
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In the center of a rich cluster of galaxies located in the direction of the constellation of Coma Berenices, lies a galaxy surrounded by a swarm of star clusters. NGC 4874 is a giant elliptical galaxy, about ten times larger ...
Astronomy
Oct 2, 2017
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An extremely deep multi-band optical image from the Canada-France-Hawaii Telescope (CFHT, Hawaii. USA) casts a new light on the formation process of the famous group of 5 colliding galaxies. The image reveals structures undetected ...
Astronomy
Feb 7, 2018
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The subject of this NASA/ESA Hubble Space Telescope image is known as NGC 3597. It is the product of a collision between two good-sized galaxies, and is slowly evolving to become a giant elliptical galaxy. This type of galaxy ...
Astronomy
Jan 18, 2016
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