Question

Answer the following questions briefly.
(a) How does a planet differ from a star?
(b) What is meant by the Solar System?
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Answer 1

Answer:

1. stars hot celestial body and are very large in size produces their own heat and light but planets are celestial body which are smaller than stars and do not produce any heat or light.

2. the planets which revolve around the sun this system is known as solar system.

Answer 2

Answer:

(a) because they radiate energy, stars are very bright objects . planets do not generate their own energy through nuclear reactions. They reflect some of the radiation coming from their parents star.

(b) the collection of eight planets and their moons in orbit around the sun,together with smaller bodies in the form of asteroid, meteoroids, and comets.