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प्रश्न
What is the size of the Earth?
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उत्तर
Its equatorial diameter is 12,756 km and the polar diameter is 12,713 km. Its total area is 51.1 crore sq. km. The average distance between the Sun and the Earth is 14,88,00,000 km. No other planet has life. Its circumference is about 40,000 km.
संबंधित प्रश्न
How can you prove that the earth is a sphere by looking at the horizon?
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?
Write a short note on the planets of the Solar System. Name the planets in order of their distance from the sun.
Name the largest planet of the Solar System.
‘Although the Moon has no light of its own, yet it shines’. Why?
Mention two important features of Earth that make it a planet suitable for life.
Distinguish between the following pair.
Periodical and Non-periodical comets
Give reasons for the following:
Comets appear very rarely.
The shape of the earth is not exactly that of a sphere Why?
Birla Planetarium is located in __________.
