Question

1. Answer the following questions briefly.
(a) How does a planet differ from a star?
(b) What is meant by the Solar System"?
c) Name all the planets according to their distance from the sun.
(d) Why is the Earth called a unique planet?
(e) Why do we see only one side of the moon always?
(1) What is the Universe ?​

Answer 1

Answer:

a)PlanetStar∙ A planet does not have its own light and heat. It derives its light from a star.∙ A star possesses its own heat and light.∙ A planet is usually smaller than stars.∙ Stars are very huge objects compared to a planet is general.

b)The term Solar System refers to the " family" of the Sun. The Sun is a star around which eight planets.

c)Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.

d)It is unique among planets in our solar system for having water in its liquid form at the surface, in an amount conducive to life.

e)One side of the moon always faces Earth because of what's called synchronous rotation.

1) The Universe is everything we can touch, feel, sense, measure or detect.