Question

D. Answer the following questions in brief,
1. What are celestial bodies?
2. Why do stars look very small in the sky?
What is 'Saptarishi Mandal'?
4. Name the planets which are gaseous bodies,
5. Which planet is the closest to Neptune?​

Answer 1

Answer:

1. You might have come across the word heavenly body in your science textbook sometime or the other. Have you ever wondered what are heavenly bodies? Celestial bodies or heavenly bodies are objects in space such as the sun, moon, planets, and stars. They form a part of the vast universe we live in and are usually very far from us. The glorious night sky is dotted with such objects and when we observe them using a telescope, they reveal fascinating worlds of their own. Because they are so far away, we cannot see all of them using the naked eye and we rely upon telescopes to study them.

2.The stars look very small in the sky because there they are very far away from Earth or they are billion of kilometres away from the Earth.

3.The Saptarishi (from Sanskrit: सप्तर्षि saptarṣi, a Sanskrit dvigu meaning "seven sages") are the seven rishis who are extolled at many places in the Vedas and Hindu literature. ... They are regarded in the Vedas as the patriarchs of the Vedic religion.

4.Jupiter, Saturn, Uranus, and Neptune are known as the Jovian (Jupiter-like) planets, because they are all gigantic compared with Earth, and they have a gaseous nature like Jupiter's -- mostly hydrogen, with some helium and trace gases and ices.

5.In fact, Mercury is even the closest planet to Neptune.

Answer 2

Answer:

1. All the objects that we see in the sky are called celestial bodies or heavenly bodies. These celestial bodies include stars, planets, satellites, asteroids, meteorids and comets. The celestial bodies that do not have their own light and heat are called planets.

2. The stars look very small in the sky because there they are very far away from Earth or they are billion of kilometres away from the Earth.

3. The Saptarishi (from Sanskrit: सप्तर्षि saptarṣi, a Sanskrit dvigu meaning "seven sages") are the seven rishis who are extolled at many places in the Vedas and Hindu literature. ... They are regarded in the Vedas as the patriarchs of the Vedic religion.

4. Jupiter, Saturn, Uranus, and Neptune are known as the Jovian (Jupiter-like) planets, because they are all gigantic compared with Earth, and they have a gaseous nature like Jupiter's -- mostly hydrogen, with some helium and trace gases and ices.

5. Mercury is the closest to Neptune.

Explanation:

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