Hoag’s Object is a Galaxy within a Galaxy within a Galaxy & nobody knows why…
Ring Galaxies account for less than 0,1% of all known galaxies, and so they aren't the easiest objects to study
Ultra-fast star found to be traveling at more than 3,7 million mph!
“The velocity of the discovered star is so high that it will inevitably leave the Galaxy and never return”
Huge asteroid in solar system could be upgraded to a dwarf planet
Along with Ceres and Pluto, there are three other known dwarf planets in the solar system – Haumea, Makemake and Eris