10 Interesting Fact About Stars and galaxies

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• Stars are gas balls consisting of hydrogen and helium. They produce light and heat through nuclear reactions in their core.
• The biggest star in the Milky Way galaxy is Rigel Kentaurus, with a mass of 1.3 times greater than the sun.
• The closest galaxy of the Milky Way is Andromeda Galaxy, which is about 2.5 million light years from us.
• There are more than 100 billion stars in the Milky Way, and there may be more than 100 billion galaxies throughout the universe.
• Stars smaller than the sun can burn for billions of years, while larger stars can burn for millions of years.
• Stars group is a collection of stars bound by gravity, and they can consist of several thousand to millions of stars.
• There are several types of galaxies, including ellipses, spirals, and irregulars, and the Milky Way are spiral galaxies.
• Nebula is a gas and dust cloud in space that can be the birthplace of new stars.
• There are several types of universe phenomena, including supernova, black holes, and cosmic lightning.
• Astrophysics is a branch of science that studies celestial bodies, including stars and galaxies.