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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
What is the ‘biosphere’?
How many planets are there in the Solar System?
Which planet is known as ‘blue planet’?
Give reasons for the following:
No life is possible on Saturn.
Why does the moon appear big in the sky though it is smaller than other heavenly bodies?
What is meant by Summer Solstice?
Who am I?
I have my own light. It is only from me that the planets get light and heat.
The continent _____________ is covered by ice.
______ is called Earth’s twin.
Match the following.
| 1 | Asia | Vatican city |
| 2 | Africa | Amazon rainforest |
| 3 | Europe | Sahara desert |
| 4 | South America | Kangaroo |
| 5 | Australia | Biggest continent |
