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Because the Earth is very large.
If the Earth were flat, we would expect a curvature rate of zero inches per mile. As it is, the Earth is not flat, and it's curvature rate is 8 inches per mile.
63,360 inches are in a mile, and the 8 inch drop is spread over that distance. Our eyes are not able to detect an approximately 1/10,000th of an inch drop off per inch.
In simple terms, the curvature is so gradual that we can't see it!
What else can I help you with?
How did Aristotle know that the earth was not flat way back in 350 BCE?
Aristotle observed that during a lunar eclipse, the shadow of the Earth on the moon was round. He also noted that ships disappear hull first when sailing away and that the stars appear at different angles depending on the observer's location. These observations led him to believe that the Earth was a sphere, not a flat disk.
Why is the world flat but round?
The earth's gravity field makes everything push into the earth like a bubble arround the planet. This makes it seem like the earth is flat.
What beliefs about earth and the heavens were proved by the discoveries of Aristarchus and Eratosthenes?
that the earth was not flat nor square but it was round
What shape of the earth is best described as?
An oblate spheroid.
Flat maps that represent a portion of the round earth?
Flat maps that represent a portion of the round earth are called "world maps". These maps use projections to show the Earth's curved surface on a flat surface, with distortions in size, shape, distance, or direction. Popular world maps include the Mercator projection, the Peters projection, and the Winkel Tripel projection.
Who is theory was that the earth is round not flat?
Since the determination of the fact that Earth is spherical as opposed to flat, all scientists (after a short lag period) have accepted that it is so.
Why continents appear to be vertical are they actually vertically lying on earth if so then why we don't fall?
Not sure what you mean... They are horizontal, not vertical, meaning they lie flat on the Earth.
The astronauts that did land on the moon what did the earth look like from space...round or flat?
round
Is Athena in The Odyssey a flat character?
No, Athena is not a flat character. She actually is a round character.
Why was the earth flat long ago?
The Earth was never flat. The Flat Earth society believe they have proof that the Earth is flat but other no individuals or organisations have ever seriously considered that the Earth was not round since the ancient Greeks.
Why is the earth round instead of flat?
Round is an infinitely more efficient design to accommodate the rotations, orbits and movements of the planets and galaxies. Can't imagine a "flat-disk" planet-design doing (or trying to do) what the round, circular design does.
Is the question the earth is flat a testable hypothesis?
Yes, it is. Satellite imaging will negate the hypothesis and prove that Earth is round, not flat.
What can be a problem if the earth is round and maps are flat?
Lol Nothen
What do you call a flat map earth's round surface?
guff
What is a way of showing the round earth on a flat surface?
on a flat map
What are the flat bits at the top and the bottom of the earth called?
The earth is round, due to gravity, so there are no flat bits at the top and bottom.
How can you walk on the underneath of the earth if it is round?
The earth is not round... it is flat!!! Gravity keeps on the earth and that is how we stay on earth, because if we didn't have gravity we would float into space and DIE!!!
