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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:
Name the two sources of heat in the interior of the earth.
Write a short note on the planets of the Solar System. Name the planets in order of their distance from the sun.
How much time does a ray of sunlight take to reach the Earth?
Name the planet closest to the Sun.
Name the following:
The planet farthest from the Sun.
Find out the number of years to reach the following celestial bodies from the Earth: Nearest star from the Earth (Distance 150 million km)
What makes the Sun so hot?
Name the three planets which have rings around them.
At the time of Perihelion, the Earth is ______ to the Sun.
Match the following.
| 1 | Asia | Vatican city |
| 2 | Africa | Amazon rainforest |
| 3 | Europe | Sahara desert |
| 4 | South America | Kangaroo |
| 5 | Australia | Biggest continent |
