Multiple choice

Which of the following is/are not connected with proof of the Earth’s shape?

  1. Circumnavigation
  2. Rotation and revolution of the earth
  3. The shadow of the earth on moon during eclipse
  4. Satellite photography

  1. Only 1 and 2

  2. Only 1

  3. 1, 3 and 4

  4. None of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Following are the evidences of the Earth’s shape:

  1. Earth's shadow on the moon (at lunar eclipse) is always circular.
  2. The position of the sun and the stars depends on the position of earth, thus earth has to be curved.
  3. Magellan sailed around Earth.
  4. Yuri Gagarin orbited Earth in space.
  5. Pictures of Earth taken from the Moon impressively demonstrate the shape of Earth.
  6. The rotation of Earth can be proven with Foucault's pendulum.
  7. Astronomical observations show that all the other planets are spheres, it is very likely that the Earth is a sphere too.

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