Social Sciences, asked by avishai, 1 year ago

write a note on galaxy

Answers

Answered by Tanushri5
1
A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter. The word galaxy is derived from the Greek galaxias, literally "milky", a reference to the Milky Way

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Answered by Anonymous
2
Galaxy is gravitational account system of stars, Stellar remnants, interstellar dust, and dark metter. the word Galaxy is derived from the Greek Galaxias literally milky, reference to the milky way. galaxies range in size from dwarfs with just a few hundred million stars to Giants with 100 trillion stars, each orbiting its Galaxy's centre of mass.

Galaxy are categorised according to their visual morphology as elliptical form a spiral, or irregular. many galaxies are thought to have black holes at their active centres. The Milky ways Central black hole, none as Sagittarius A*, has a mass 4 million times greater than the Sun. as of March 2016 GN-z11 is the oldest and most distant observer Galaxy with a bow moving distance of 32 million light years from earth and observed as it existed just 400 million years from the big bang.

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