If the Universe is expanding, then why do galaxies collide? Published 2019-09-11 Download video MP4 360p Recommendations 21:04 Galaxies can die?! | Quenching 101 10:42 If the Universe is expanding, where is the centre? 17:47 What If The Universe Is Math? 14:00 The Cartwheel Galaxy | Space is Weird 10:55 What does the universe expand into? Do we expand with it? 13:03 Planemos | When is a star actually a planet? 15:10 Why Does Light Exist? What is Its Purpose? 19:54 Was Einstein "wrong"? | Testing new theories of gravity 12:28 What Actually Expands In An Expanding Universe? 14:50 Hoag's Object | The Mystery of Ring Galaxies 25:49 How do we know there's a black hole in every galaxy centre? | History of Supermassive Black Holes 04:31 What's inside a black hole? 17:24 How did the Moon form? | 5 things we learnt from the Apollo Moon Landings 16:53 What Could Be the Purpose of the Universe? 14:48 How did Saturn's Hexagonal Polar Vortex form?! | Space is Weird 12:07 The Crisis in Cosmology: We Don't Know How Big the Universe Is 15:17 Neil deGrasse Tyson Explains How Many Stars You Can See In the Night Sky 23:47 How do we know how long the Sun has left to live? | 7 things we need to know 13:10 How massive can black holes grow? 13:47 The most mysterious star in the universe | Tabetha Boyajian Similar videos 02:05 How do Galaxies Collide in an Expanding Universe? 02:08 Neil deGrasse Tyson Explains Colliding Galaxies in an Expanding Universe 03:40 What If the Milky Way and Andromeda Galaxies Collided? 2:34:14 Enigmas of the Universe: Mysteries and Discoveries | Space Documentary 2024 01:17 Milky Way and Andromeda Galaxies Collision Simulated | Video 04:47 Three ways the universe could end - Venus Keus 08:24 What Happens When the Universe Suddenly Stops Expanding? 55:23 When Galaxies Collide... - Professor Carolin Crawford 15:30 Plot Twist! The Andromeda-Milky Way Merger Has Begun 13:32 What's the probability that two stars collide when galaxies collide? [with equations!] 07:10 Do Galaxies Collide? 05:21 What If Our Universe Collided With Another One? 26:55 Universe Isn't Endless, There's a Wall at the Edge 08:06 Universe | Galaxy Formation | Types of Galaxy in universe | Galaxies Collision More results