Give three proofs that the earth is almost spherical in shape.
Give three proofs that the earth is almost spherical in shape.
Circumnavigation of the earth. When one sails or flies along a straight path without changing direction, he or she comes back to the starting point.
The earth’s horizon appears spherical when observed from a high point.
Rising and setting of the sun, since people living in the east see the sun earlier than those in the west.
When a ship is approaching the land from the sea, an observer standing on a high cliff first sees the smoke, then the mast and finally the rest of the ship’s body.
During the eclipse of the moon, (lunar eclipse), a spherical shadow of the earth is cast on the moon.
All other planets are spherical, hence the Earth being a planet, is not an exception.
Photographs of the earth taken from the space by satellites show that the earth has a spherical shape.
