Question

How can you say that Earth is Sphere ?​

Answer 1

Answer:

Question:

How can you say that Earth is Sphere ?

AnsweR:

When a ship sails off toward the horizon, it doesn't just get smaller and smaller until it's not visible anymore. Instead, the hull seems to sink below the horizon first, then the mast. When ships return from sea, the sequence is reversed: First the mast, then the hull, seem to rise over the horizon.

• The ship-and-horizon observation is so self-evident that 1881's "Zetetic Astronomy," the first modern flat-Earth text, devotes a chapter to "debunking" it.

• Greek philosopher Aristotle figured out this one in 350 B.C., and nothing's changed.

• constellation isn't visible until you travel as far south as the Florida Keys in the Northern Hemisphere.

• These different stellar views make sense if you imagine the Earth as a globe, so that looking "up" really means looking toward a different sliver of space from the Southern or Northern hemisphere.

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Additional Information:

Who figured out the Earth is round?

It has actually been known that the Earth was round since the time of the ancient Greeks. I believe that it was Pythagoras who first proposed that the Earth was round sometime around 500 B.C.

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Hope it will be helpful :)...✍️

Answer 2

Answer:

On a perfectly spherical Earth, flat terrain or ocean, when viewed from the surface, blocks exactly half the sky—a hemisphere of 180°. Moving away from the surface of the Earth means that the ground blocks less and less of the sky.

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