Going stir crazy in the northern summer heat or southern winter cold? Need a screen-free activity for curious kids (or yourself)? Introducing the NSF–DOE Rubin Observatory coloring book! 🎨🌌 This downloadable activity book brings Rubin’s science to life, no assembly required (unless you count crayons). Print one page or the whole book, and get coloring! 🖍️ Don't forget to share and tag us in your creations ✨ 🔗: ls.st/coloring-book
