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प्रश्न
Which unit is used for measuring distances in the universe?
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उत्तर
The unit used for measuring distances in the Universe is the light year. One light year is defined as the distance traveled by light in a vacuum in one year.
One light year = 95 × 1012 km
संबंधित प्रश्न
How can you prove that the earth is a sphere by looking at the horizon?
Short Answer Question:
Distinguish the earth from the other planets in one important aspect.
Fill in the blanks:
The earth rotates from ____ to ____.
In terms of size, the earth is ______ planet in the Solar System.
Distinguish between a planet and a star.
Which planet has three rings around it?
‘Although the Moon has no light of its own, yet it shines’. Why?
Distinguish between the following pair.
Superior and Inferior planets.
Name the following:
Two planets which are farther from the sun than the Earth.
The line which divides day and night on the Earth’s surface is ______.
