ESA’s decade-long Milky Way Gaia mapping mission still has tons of data to release over the next few years. Expect surprises.
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 total mass of the Milky Way is estimated to be only two hundred billion times that of the sun (2.06 x 10 11 solar masses), marking a significant downward revision—approximately four to five ...