Question

answer all questions.....⤴️⤴️

answer only by brainly stars required........!!!!​

Answer 1

Step-by-step explanation:

solution of you first question

Answer 2

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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.