NASA’s great observatories combine to probe deeper in the Universe
These are NASA Hubble Space Telescope natural-color images of four target galaxy clusters that are part of an ambitious new ...
Tag: Chandra X-ray Observatory
The stars of the densest galaxy discovered thus far are 25 times closer than in Milky Way
This galaxy weighs more than 200 million suns, over half of which is concentrated within a radius of just 80 ...
Why our galaxy’s black hole has a small appetite
As we know by now, most galaxies, including our own, have a supermassive black hole at their center. However, the ...
The Milky Way is surrounded by a huge, hot halo of gas
Recent measurements conducted by NASA’s Chandra X-ray Observatory, and observed by other X-ray instruments from around world and in space, suggest that ...