News tagged with galaxies

Why is Andromeda coming toward us?

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 ...

Jan 23, 2015
3.6 / 5 (18) 25

High-speed jets from a possible new class of galaxy

Seyfert galaxies are similar to spiral galaxies except that they have extraordinarily prominent, bright nuclei, sometimes as luminous as 100 billion Suns. Their huge energies are thought to be generated as ...

Jan 19, 2015
4.8 / 5 (13) 0

The cosmic seeds of black holes

Supermassive black holes with millions or billions of solar-masses of material are found at the nuclei of most galaxies. During the embryonic stages of these galaxies they are thought to play an important ...

Jan 19, 2015
4.8 / 5 (13) 9

Galactic 'hailstorm' in the early universe

Two teams of astronomers led by researchers at the University of Cambridge have looked back nearly 13 billion years, when the Universe was less than 10 percent its present age, to determine how quasars - ...

Jan 16, 2015
4.7 / 5 (23) 15

Will the real monster black hole please stand up?

(Phys.org)—A new high-energy X-ray image from NASA's Nuclear Spectroscopic Telescope Array, or NuSTAR, has pinpointed the true monster of a galactic mashup. The image shows two colliding galaxies, collectively ...

Jan 08, 2015
4.9 / 5 (19) 5

A new, public view of the sky

For the first time, scientists and the public are beginning to see the large-scale structure of the universe, thanks to the Sloan Digital Sky Survey. UA scientists provide scientific expertise and crucial ...

Jan 07, 2015
5 / 5 (8) 0