write about the different Galaxies
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Answer:
A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems. A galaxy is held together by gravity. Our galaxy, the Milky Way, also has a supermassive black hole in the middle. When you look up at stars in the night sky, you're seeing other stars in the Milky Way.
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There are many types of galaxies -:
(i) Spiral galaxy
Examples = Milky way , Andromeda galaxy
(ii) Rectangular galaxy
Examples = 2MASX JO34O4323-1838431
(iii) Elliptical galaxy
Examples = NGC 4486 , Maffie 1
(iv) Irregular galaxy
Examples = Cigar galaxy , Canis Major dwarf
Explanation:
The galaxy are made of many kinds of celestial bodies like -:
Dust , Stars , Planets , Nebula , Dawrf planets , Black hole , Asteroid , White dwarf , Red dawrf and many other things .
By thes things the galaxy form.
Extra information:
▪︎The black hole gravity only control every thing in the galaxy .
▪︎The Andromeda galaxy is the closest galaxy from Milky way .
▪︎The Andromeda galaxy will hit Milky way galaxy after 4 billion years .
▪︎The quasars are form in by the black hole dusts .
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