NGC 3312 is located front and center in the new image, surrounded by bright stars and galaxies. A smudge of interstellar material can be seen at the lower right of the galaxy, suggesting it is being ...
LOS ANGELES, Sept. 20 (Xinhua) -- Astronomers using NASA's Chandra X-ray Observatory have found a galaxy cluster that has two streams of superheated gas crossing one another, NASA said on Friday.
Similarly, galaxy clusters are suffused inside vast haloes of dark matter, which we can detect indirectly. Scientists are also able to determine dark matter's distribution in a cluster by watching ...