Question

Nestor
OL What Are Asteroids
02 What are Meteoroids
03 Define galaxy​

Answer 1

Asteroid are minor planets, especially of the inner solar system Large Asteroid have also been called planetoids

Answer 2

Answer:

There here is your answer.

A galaxy is a huge collection of gas, dust, and billions of stars and there solar systems. A galaxy is held together by gravity. Our galaxy, the milky way, also has a supermassive black hole in a middle. When you look up at stars in the night sky, you're seeing other stars in the Milky Way.