Question

what is Galaxy and how it form​

Answer 1

Answer:

galaxies were born when vast clouds of gas and dust collapsed under their own gravitational pull, allowing stars to form. The other, which has gained strength in recent years, says the young universe contained many small "lumps" of matter, which clumped together to form galaxies.

formation

Galaxies are composed of stars, dust and dark matter, all held together by gravity. Astronomers aren't certain exactly how galaxies formed. After the Big Bang, space was made up almost entirely of hydrogen and helium. ... The Sun is one of billions of stars in the Milky Way Galaxy.

Answer 2

Explanation:

Galaxy means in which all types of planets and asteroid lived .it was formed by the dust particles and cloud ....

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