Question

IV. Answer the following in shorta. Name the natural satellite of the earth.
b. How long does it take for the moon to complete one revolution?
c. What is a galaxy?
d. What are meteoroids?
e. What are celestial bodies?
f. Why earth is called blue planet?
g. What is a satellite?

Answer 1

Answer:

a) moon

b) about 27.3 days

C) A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter

d) a small body moving in the solar system that would become a meteor if it entered the earth's atmosphere

e) astronomy an astronomical object or celestial object is a naturally occurring physical entity, association, or structure that exists in the observable universe

f) due to presence of water

g) satellite is a machine which tells about activities happening on earth