Most galaxies lie in clusters containing from a few to thousands of objects. Our Milky Way, for example, belongs to the Local Group, a cluster of about fifty galaxies whose other large member is the Andromeda galaxy about ...
Astronomy
Sep 16, 2019
3
132
Over 30 years ago, the Infrared Astronomy Satellite discovered that the universe contained many extremely luminous galaxies, some more than a thousand times brighter than our own Milky Way, but which are practically invisible ...
Astronomy
Aug 19, 2019
1
298
An international team of researchers has put a theory speculated by the late Stephen Hawking to its most rigorous test to date, and their results based on the observations using the Subaru Telescope have ruled out the possibility ...
Astronomy
Apr 2, 2019
9
623
Located in the constellation of Hercules, about 230 million light-years away, NGC 6052 is a pair of colliding galaxies. They were first discovered in 1784 by William Herschel and were originally classified as a single irregular ...
Astronomy
Mar 8, 2019
36
1719
Astrophysicists have found the first ever evidence of gigantic remains being formed from repeated explosions on the surface of a dead star in the Andromeda Galaxy, 2.5 million light years from Earth. The remains or "super-remnant" ...
Astronomy
Jan 9, 2019
2
230
Our senses are stuck in the past. There's a flash of lightning, and then seconds pass until we hear the rumble of distant thunder. We hear the past.
Space Exploration
Dec 28, 2018
14
147
Ultra-faint dwarf galaxies are the smallest, most dark matter dominated, and least chemically enriched stellar systems in the universe, and are important targets for understanding dark matter and galaxy formation. They comprise ...
Astronomy
Oct 1, 2018
4
186
German astronomers have conducted a study of the central bulge of the Andromeda galaxy and analyzed its stellar populations. The research could improve our understanding of the bulge's structure and formation history. Results ...
Scientists at the University of Michigan have deduced that the Andromeda galaxy, our closest large galactic neighbor, shredded and cannibalized a massive galaxy two billion years ago.
Astronomy
Jul 23, 2018
3
795
A new technique for estimating the mass of galaxies promises more reliable results, especially when applied to large datasets generated by current and future surveys, according to a research team led by Ekta Patel at the ...
Astronomy
Jun 6, 2018
3
423
