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What is the largest galaxy known?

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What is the largest galaxy known?

IC 1101
The biggest known galaxy is IC 1101, which is 50 times the Milky Way’s size and about 2,000 times more massive. It is about 5.5 million light-years across. Nebulas, or vast clouds of gas, also have impressively large sizes.

Are there any stars that are bigger than a galaxy?

The largest known star in the universe is UY Scuti, a hypergiant with a radius around 1,700 times larger than the sun.

How many known galaxies are there?

While estimates among different experts vary, an acceptable range is between 100 billion and 200 billion galaxies, said Mario Livio, an astrophysicist at the Space Telescope Science Institute in Baltimore, Maryland.

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What’s the difference between an universe and a galaxy?

The galaxy is present in different shapes and sizes,but the universe is one and consists of all the galaxy.

  • The universe was formed when space itself burst,leading to very high-temperature expansion and ultimately cooling down.
  • The universe is more than 13.8 billion years old,whereas the galaxy is more than 13.5 years old.

    • What is the difference between a galaxy and a solar system?

    A galaxy is a system of solar systems and other stars. Galaxies, like solar systems, are held together by gravity. In galaxies, the solar systems are separated by vast sections of mostly empty space. The galaxy that contains the Earth and its solar system is called the Milky Way .

    What is the closest galaxy to the Milky Way?

    The Andromeda Galaxy (M31) is the closest spiral galaxy to us, and though it’s gravitationally bound to the Milky Way, it’s not the closest galaxy by far – being 2 million light years away.

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    How wide is our galaxy?

    The diameter of our Milky Way Galaxy is approximately 100,000 light years, 1e21 meters. The US is about 3,000 miles wide, it’s 5e6 meters. Thus, the scale factor is 2e14.