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प्रश्न
Study the picture and answer the questions that follow.
(a) What is meant by the Solar System?
(b) Give two differences between a planet and a star.
(c) Name the planets known as terrestrial planets.
(d) Give two advantages the earth has over other planets.
(e) What are satellites?
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उत्तर
(a) The sun along with eight planets and asteroids forms the Solar System.
(b)
- The stars like the sun radiate heat and light. Planets have no light of their own. They reflect the light of their stars.
- The stars are large burning masses very far from us while the planets are solid bodies nearer to us.
(c) The planets within the asteroids belt i.e. Mercury, Venus, Earth, and Mars, are called the Terrestrial planets.
(d)
- The earth enjoys an ideal average temperature of 17°C
- The earth consists of the life-system.
(e) The satellites are the celestial bodies that revolve around the planets.
संबंधित प्रश्न
Why is the earth called a watery planet?
Fill in the blank:
A typical galaxy may contain ___________ stars.
Write a short note on the planets of the Solar System. Name the planets in order of their distance from the sun.
How many planets are there in the Solar System?
Name the planet farthest from the Sun.
Give a reason for the following:
Earth is called a “Watery Planet”
Which is the satellite of the Earth?
Who am I?
I turn around myself and revolve around the sun.
At the time of Perihelion, the Earth is ______ to the Sun.
The living sphere.
