Surprising gravitational similarities between spiral and elliptical galaxies have been discovered by an international team, including astronomers from Swinburne University of Technology, implying the influence of hidden forces.
Astronomy
Apr 30, 2015
261
2584
We know of about two dozen runaway stars, and have even found one runaway star cluster escaping its galaxy forever. Now, astronomers have spotted 11 runaway galaxies that have been flung out of their homes to wander the void ...
Astronomy
Apr 23, 2015
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1514
A discovery by MPIA graduate student Athanasia Tsatsi has changed astronomers' understanding of how mergers of two galaxies can produce unusual stellar motion in the resulting elliptical galaxies, with the central region ...
Astronomy
Mar 24, 2015
1
46
What do you see in this image from the NASA/ESA Hubble Space Telescope: a porpoise or a penguin?
Astronomy
Mar 23, 2015
2
61
One of the biggest mysteries in galaxy evolution is the fate of the compact massive galaxies that roamed the early Universe.
Astronomy
Feb 27, 2015
4
2084
Every massive galaxy has a black hole at its center, and the heftier the galaxy, the bigger its black hole. But why are the two related? After all, the black hole is millions of times smaller and less massive than its home ...
Astronomy
Feb 18, 2015
63
201
This image shows Arp 230, also known as IC 51, observed by the NASA/ESA Hubble Space Telescope.
Astronomy
Feb 2, 2015
8
26
I don't want to alarm you, but there's a massive galaxy heading our way and will collide with us in a few billion years. But aren't most galaxies speeding away? Why is Andromeda on a collision course with the Milky Way?
Astronomy
Jan 23, 2015
24
128
This new NASA/ESA Hubble Space Telescope image shows the galaxy IC 335 in front of a backdrop of distant galaxies. IC 335 is part of a galaxy group containing three other galaxies, and located in the Fornax Galaxy Cluster ...
Astronomy
Dec 24, 2014
16
7
For decades scientists have believed that galaxy mergers usually result in the formation of elliptical galaxies. Now, for the the first time, researchers using the Atacama Large Millimeter/sub-millimeter Array and a host ...
Astronomy
Sep 17, 2014
0
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