Question

Q1 ) What is a celestial bodies ?

Q2) Define the following :
a) Universe
b) Galaxy
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Answer 1

Answer:

The word celestial body is as wide as the entire universe, for both known and unknown. By definition, a celestial body is any natural object outside of the Earth's atmosphere. Simple examples are the Moon, Sun, and the other planets of our solar system. ... Any asteroid in space is a celestial body.

2. The universe (Latin: universus) is all of space and time and their contents, including planets, stars, galaxies, and ...

3. 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. When you look up at stars in the night sky, you're seeing other stars in the Milky Way.

Answer 2

Explanation:

Q .no. 1

In astronomy, an astronomical object or celestial object is a naturally occurring physical entity, association, or structure that exists in the observable universe. In astronomy, the terms object and body are often used interchangeably.

Q.no.2

1 . The Universe is space and time and their contents including planets ,stars , galaxies and all other form of matter and energy .