Oxygen Found in One of the Farthest Galaxies Ever Seen — A Cosmic Mystery #SpaceDiscovery #Astronomy #Universe 📝 Detailed YouTube Description with Hashtags Astronomers have detected oxygen in one of the most distant galaxies ever observed, revealing that the universe began forming heavy elements far earlier than scientists expected. Oxygen is forged inside stars and released through stellar explosions, so finding it so soon after the Big Bang means the first generations of stars lived, died, an

Journey to Extragalactic Gamma Ray Burst GRB 250702B | NOIRLab FriendsofNASA.org: This video begins with the stellar field around the host galaxy of GRB 250702B—the longest gamma-ray burst that astronomers have ever observed. The image comprises observations from the Gemini North telescope, one half of the International Gemini Observatory, funded in part by the U.S. National Science Foundation and operated by NSF NOIRLab, as well as the U.S. Department of Energy-fabricated Dark Energy Camera, mo