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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
How can you prove that the earth is a sphere by looking at the horizon?
Short Answer Question:
What is a planet?
Fill in the blank:
A typical galaxy may contain ___________ stars.
Give reasons for the following:
Mercury completes its orbit in less time than the Earth.
The shape of the earth is not exactly that of a sphere Why?
What is the size of the Earth?
In the picture below, correct the sequence of the planets from the sun.
Earth is inclined by ______ degrees.
The continent full of snow is ________.
Which are the biggest and smallest continents on our earth?
