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प्रश्न
Which is the unit adopted for measuring the distance in the Universe? Give a reason for its choice.
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उत्तर
The unit adopted for measuring the distances in the universe is the light year. The reason for the choice of this unit is that a kilometer is too short a unit to measure the distances between one heavenly body and another in space.
संबंधित प्रश्न
Short Answer Question:
Why is the planet Venus hotter than the planet Mercury?
Short Answer Question:
What is meant by Terrestrial Life?
How much time does a ray of sunlight take to reach the Earth?
How much time does a ray of moonlight take to reach the Earth?
Why do planets, being opaque bodies, shine in the sky?
Why is the following planet not inhabitable?
Jupiter
Give reasons for the following:
Comets appear very rarely.
The shape of the earth is not exactly that of a sphere Why?
Answer the following question briefly.
How does a planet differ from a star?
How many oceans are there on the Earth?
