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प्रश्न
Give reasons for the following:
Mercury completes its orbit in less time than the Earth.
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उत्तर
Mercury is closer to the Sun than the Earth. Mercury lies at a distance of 59 million Kms from the Sun, while the distance between the Earth and the Sun is 150 million kms. Therefore, mercury takes less time to complete its orbit because its orbit is much shorter.
संबंधित प्रश्न
Fill in the blank:
________is the narrow zone of contact between lithosphere, hydrosphere, and atmosphere.
Provide reliable evidence to prove that the earth is spherical in shape.
Write a short note on the planets of the Solar System. Name the planets in order of their distance from the sun.
Which planet has three rings around it?
State three factors which have made life possible on the Earth and on no other planet.
Distinguish between the following pair.
Planet and Satellite.
Why is the following planet not inhabitable?
Venus
Which is the unit adopted for measuring the distance in the Universe? Give a reason for its choice.
What information do man-made satellites provide?
How many continents are there on the earth?
