The Andromeda Galaxy is a spiral galaxy located approximately 2.5 million light years from Earth. Although the Andromeda galaxy is extremely distant, it is visible with the naked eye. In fact, Andromeda is the furthest object in the universe visible with the naked eye.
Interesting facts about Andromeda Galaxy:
The Andromeda Galaxy dwarfs the Milky Way Galaxy in size.
Astronomers thought Andromeda was part of the Milky Way in the 17th century.
Because of the similarities, astronomers base their assumptions about the Milky Way on observations of the Andromeda galaxy.
The Andromeda Galaxy and the Milky Way Galaxy are getting closer and closer.
Andromeda has a length of 260,000 light years.
Although the Milky Way is larger in size, Andromeda is the largest galaxy.
The Andromeda Galaxy is a member of the Local Group of galaxies.
In about 5 billion years, the Milky Way will merge with Andromeda.
The Andromeda Galaxy is found within the Andromeda Constellation, which is visible in the northern sky.
Astronomers refer to Andromeda as Messier 31 or M31, as well as the Great Andromeda Nebula.
The Andromeda Galaxy was named after the mythical princess Andromeda.
The Andromeda Galaxy contains approximately one trillion stars.
Scientists believe that Andromeda was formed when small galaxies collided about 5 to 9 million years ago.
The Local Group, which includes Andromeda, contains 30 galaxies in total.
Some scientists believe that our Sun will eventually move and merge with the Andromeda Galaxy.