The Andromeda Galaxy is the closest largest galaxy to the Milky Way. This galaxy is named after the constellation of Andromeda. It is also known as Messier 31 or M31. This spiral galaxy is located at a distance of 2.5 million light-years from our galaxy. It is the largest in Local Cluster but definitely not the most massive. Milky Way is believed to contain more dark matter. There are total 30 different galaxies in this local group. This galaxy has roughly one trillion stars. It has an apparent magnitude of 3.4 which makes it bright enough to be seen on moonless nights.
Quick Facts: –
- The Andromeda Galaxy is approaching us at a speed rate of 100 to 140 kilometers per second.
- Astronomers use this galaxy to understand the origin of other such galaxies because it is the nearest to our planet.
- This galaxy has at least two spiral arms and a ring of dust that may have come from a smaller galaxy M32.
- It is the most distant object that can be spotted with the naked human eye.
- This galaxy was once classed as a nebula.
- It has various satellite galaxies including 14 dwarf galaxies.
- The length of this galaxy is approximately 260,000 light years.
- The Andromeda Galaxy and the Milky Way are being drawn closer and closer over time.
- Astronomers believe that these two galaxies will be merged in roughly 5 billion years.
- It is also believed that this galaxy was formed between 5 to 9 billion years ago when two smaller galaxies were collided and merged.
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Declan, Tobin. " Fun Facts for Kids about Andromeda Galaxy ." Easy Science for Kids, Dec 2017. Web. 14 Dec 2017. < http://easyscienceforkids.com/andromeda-galaxy/ >.
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Tobin, Declan. (2017). Fun Facts for Kids about Andromeda Galaxy. Easy Science for Kids. Retrieved from http://easyscienceforkids.com/andromeda-galaxy/
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