Question

$~~~~~$ What is Galaxy?​

Answer 1

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A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity. We live on a planet called Earth that is part of our solar system.

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Answer 2

Explanation:

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What is Galaxy ?

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A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity.The Milky Way is the our Galaxy Name .

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More You Know ➠

• Stars :- A star is an astronomical object consisting of a luminous spheroid of plasma held together by its own gravity.

• The Milky way galaxy :- Gets its name from a Greek myth about the goddess Hera who sprayed milk across the sky. In other parts of the world, our galaxy goes by other names. In China it’s called the “Silver River,” and in the Kalahari Desert in Southern Africa, it’s called the “Backbone of Night.”

• The Universe :- The universe (Latin: universus) is all of space and time and their contents, including planets, stars, galaxies, and all other forms of matter and energy. While the spatial size of the entire universe is unknown, it is possible to measure the size of the observable universe, which is currently estimated to be 93 billion light-years in diameter. In various multiverse hypotheses, a universe is one of many causally disconnected constituent parts of a larger multiverse, which itself comprises all of space and time and its contents.

• Space :- Space is the boundless three-dimensional extent in which objects and events have relative position and direction.Physical space is often conceived in three linear dimensions, although modern physicists usually consider it, with time, to be part of a boundless four-dimensional continuum known as spacetime.

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