The birth of the galaxy in 60 seconds – Scott Hershberger Learn On Youtube TED-Ed — September 20, 2025 · Comments off Source Link andromeda galaxy angular momenta angular momentum animation astronomy big bang density wave education galaxy formation galaxy orbit galaxy shape gravitational pull gravity Josh O'Caoimh Mikai Geronimo milky way milky way galaxy milky way shape outer space physics Planets pressure rotation science Scott Hershberger solar system solar system orbit space particles spiral arms spiral galaxy stars Supernova TED Ted Education TED-Ed Teded universe
