It is currently known that the Andromeda Galaxy has a spiral structure and comprises about a trillion stars. As for its diametre, it exceeds 150 thousand light-years, and its mass is relatively small and ranges from 800 billion to one and a half trillion solar masses - about the same as the Milky Way. This is thought to be the case due to the abundance of red dwarfs and less dark matter in its composition.
00:00 - Intro
01:05 - A flare in the Andromeda Galaxy
02:53 - The Andromeda Galaxy
03:41 - SN 1885A (S Andromeda)
04:39 - Andromeda's nucleus
06:01 - Low-mass X-ray binary
07:47 - Andromeda's central part
08:34 - Andromeda's arms
09:34 - AE Andromeda (AE And)
12:24 - The history of Andromeda's formation
14:15 - MEGA-ML 7
15:57 - The star cluster NGC 206
18:07 - Andromeda's disasters
18:45 - A collision with the M32 galaxy
19:59 - Andromeda's environs
20:57 - Ending