6 Random Facts about the Milky Way Galaxy

The Milky Way Galaxy

Most of us know that we live in a galaxy known as the Milky Way. However, not many of us really know very much about our own galaxy. Here are 6 interesting and random facts about the Milky Way Galaxy that will help expand your knowledge about it.

  • Any stars that you can see in the night sky without the aid of a telescope are part of the Milky Way.
  • It is estimated that the Milky Way contains between 200 and 400 billion stars.
  • Our solar system makes up an extremely tiny part of the Milky Way – if you imagine our solar system were the size of a US quarter, the entire Milky Way would be almost half the size of the United States!
  • Edwin Hubble is credited as conclusively defining the shape and scope of our galaxy through the use of telescopes.
  • The size of the Milky Way is approximately 100,000 light-years in diameter.
  • The mass of our galaxy is estimated at 5.8 × 1011 solar masses. A solar mass is a unit of mass equivalent to the mass of our Sun.

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93 comments on “6 Random Facts about the Milky Way Galaxy”

  1. It is really amazing when you think about the size of earth compared to the milky way, compared to the universe! When does it end?!

  2. thank you so much my mom was making me write another paragraph on my school report and i couldnt find nothing
    😀

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