First he realised that eclipses of the moon were caused by the earth coming between the sun & the moon. The earth's shadow on the moon was always round, which would be true only if the earth was spherical.
WHAT demonstrates that the Earth is spherical?!
The Earth is geoid THE EARTH IS SPHERICAL
According to Aristotle the Universe is a sphere and Earth is at the centre.
The Earth is almost spherical. It's slightly squashed, or oblate.
Newton was first claim that the earth is ellipsoid instead of spherical...
moon is the satellite of the earth.
spherical puzzles are similar to globe puzzles.Most globe puzzles have designs representing spherical shapes such as the Earth, the Moon, and historical globes of the Earth.
an eclipse is a evidence of the earth being in spherical shape is that it can figure it self...
he thought the earth was the center of the universe and the sun and the planets orbiting the earth. but he was wrong.
Spherical
Gravity
Magellan