the trio are close enough together that they would all fit within the Milky Way, which spans up to 100,000 light-years across. It is therefore possible that these mini-galaxies could collide and ...
This collage highlights a small selection of regions of the Milky Way imaged as part of the most ... [+] detailed infrared map ever of our galaxy. Here we see, from left to right and top to bottom ...
The Milky Way keeps its planets close to its chest ... Hallatt focused this study on super-Earths and mini-Neptunes, but he thinks the conclusion holds for larger planets, too.