The Brazilian Space Agency offers many free 100% online courses with certificates on Scientific Technologies, Astronomy, and Space Law; see how to registerMarch 5, 2026
The Coldest Stars in Our Galaxy Might Be Dyson Spheres Harvesting Energy for an Alien CivilizationMarch 5, 2026
10 minutes of video stack using autostackket and editied in affinity the stars are added from another image to give a 3D look by artemis_2020
