For more than a century, astronomers have watched in astonishment as the Andromeda galaxy ignored the grand flow of cosmic ...
A sheet of dark matter lying beyond the boundary of the Local Group is responsible for this.
On a clear night, the Milky Way and the Andromeda galaxy look like close neighbors. In space, they really are.
When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: X-ray: NASA/CXO/UMass/Z. Li & Q.D. Wang, ESA/XMM-Newton; Infrared: NASA/JPL-Caltech/WISE, ...
A flat plane of dark matter beyond the Local Group may explain why nearby galaxies move away from us instead of falling ...
Andromeda is also a flattened spiral like the Milky Way, but it's twice as large — 220,000 light-years across versus 105,000 for the Milky Way — and crammed with a trillion suns. Can you even begin to ...
A new composite image of the Andromeda Galaxy is offering an unprecedented view of our closest spiral galactic neighbor. Composed by NASA and international space partners, the image combines data from ...
A new composite image of the Andromeda Galaxy is offering an unprecedented view of our closest spiral galactic neighbor. Composed by NASA and international space partners, the image combines data from ...
A vast, flat sheet of dark matter may solve the long-standing mystery of why our neighboring galaxy Andromeda is speeding ...
It turns out that looming collision between our Milky Way and Andromeda galaxies might not happen after all. Astronomers reported Monday that the probability of the two spiral galaxies colliding is ...