0 Posted in NASA December 30, 2019 by Bear Exploring the Night Sky with Hubble’s Caldwell Catalog This loose collections of stars, known as an open star cluster, is image 100 of the Caldwell catalog. via NASA https://ift.tt/2tZEcx6 Share This Article Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Like this:Like Loading... Related Tagged with: IFTTT, NASA Comments & Reviews Cancel replyYour email address will not be published. Required fields are marked *Your Comment or Review: * * Notify me of follow-up comments by email. Notify me of new posts by email. Δ Article Navigation < Previous Article Galactic Pyrotechnics From 23 Million Light Years Away Next Article > Astronaut Christina Koch Poised to Make History Again