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प्रश्न
Provide reliable evidence to prove that the earth is spherical in shape.
उत्तर
The earth can be clearly seen spherical in the photographs from the satellite. Other proofs are the sight of the mast of a ship first before the ship appears, varying heights of the poles fired at different places at an interval of 5 km, through the Bedford Level Experiment and the sight of Pole Star at 90° from the North Pole and the view of the earth’s horizon as a circular from higher altitudes.
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संबंधित प्रश्न
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 moonlight take to reach the Earth?
Name the planet closest to the Sun.
Arrange the nine planets of the solar system in order of their sizes.
Distinguish between the following pair.
Periodical and Non-periodical comets
Why is the following planet not inhabitable?
Saturn
What makes the Sun so hot?
Give reasons for the following:
No life is possible on Saturn.
Who am I?
You can see me from the earth but the lighted part of me that you see changes every day.
The movement of the Earth on its axis is called.
