Astronomers Pieter van Dokkum and Roberto Abraham made a friendly bet to see if one could group together some telephoto camera lenses in order to form a very powerful telescope. Continue reading
New mysterious X-ray signals discovered by astronomers
Using Chandra X-ray Observatory by NASA and the XMM-Newton by ESA, a mysterious x-ray signal has been observed in a study of galaxy clusters. One exciting possibility may be that these X-rays might be the result of the decay of sterile neutrinos – a particle that is a very good candidate for dark matter, but it doesn’t certainly imply that all dark matter is composed of these particles. Continue reading
New bridge of stars between two galaxies discovered by Hubble
The Hubble telescope detected a spiral bridge of young stars between two ancient galaxies that form when gas dynamics and galaxies come together. Continue reading