Question

What is galaxy ? explain ​

Answer 1

Answer:

In biology, the smallest unit that can live on its own and that makes up all living organisms and the tissues of the body. A cell has three main parts: the cell membrane, the nucleus, and the cytoplasm. ... Parts of a cell. A cell is surrounded by a membrane, which has receptors on the surface.

Answer 2

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$\green \bigstar$ A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity.

$\green \bigstar$ A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems.

$\green \bigstar$ A galaxy is held together by gravity.