Messier 80 - the NGC 6093 Globular Cluster By tammy-plotner - March 11, 2019 03:00 PM UTC | Extragalactic Q&A+ ▶ Our latest video — free on Patreon Will A Naked-Eye Moon Object End Conspiracy Theories? The extended edition: ad-free, with extra content. Free to watch — no account needed. ▶ Watch it free Previous Article ← Astronomy Cast Ep. 521: The Deep Space Network Next Article Massive Photons Could Explain Dark Matter, But Don't →