*If you can't see your sky for the smog:

https://noirlab.edu/public/news/noirlab2620/

Hold on to your telescopes: the DESI Legacy Imaging Surveys team has released the largest-ever 2D map of the Universe. The 5.6-trillion-pixel map contains nearly four billion celestial objects, including stars, galaxies, black holes, and asteroids. The data are available for all to use and are publicly viewable through the Legacy Survey Sky Viewer.