🌌The Andromeda Galaxy, also known as M31, is a massive spiral galaxy.
🌟Andromeda has a rich history, from being mistaken as a nebula to being recognized as its own galaxy.
💫Andromeda is filled with billions of stars and has a vast halo of expelled plasma.
🔭Andromeda has interacted with satellite galaxies, shaping its structure.
🌌Studying Andromeda provides insights into galaxy formation and the scale of the universe.
What is the Andromeda Galaxy?
—The Andromeda Galaxy, also known as M31, is a massive spiral galaxy similar to our Milky Way.
How was Andromeda discovered?
—Andromeda was initially mistaken as a nebula within our Milky Way and was later recognized as its own galaxy.
What is the size of Andromeda?
—Andromeda has a visible diameter of around 120,000 light years and an extended disk that reaches around 220,000 light years.
What is the halo of Andromeda made of?
—The halo of Andromeda is a diffuse plasma expelled by past collisions and extends 1.3 million light years from the galaxy.
What can studying Andromeda teach us?
—Studying Andromeda provides insights into galaxy formation and the scale of the universe.
00:10The Andromeda Galaxy, also known as M31, is a massive spiral galaxy.
02:32Andromeda was initially mistaken as a nebula within our Milky Way and was later recognized as its own galaxy.
10:24Andromeda has a visible diameter of around 120,000 light years and an extended disk that reaches around 220,000 light years.
12:46The halo of Andromeda is a diffuse plasma expelled by past collisions and extends 1.3 million light years from the galaxy.
14:14Studying Andromeda provides insights into galaxy formation and the scale of the universe.
