The Greeks were the first to determine that the earth was a sphere and they modeled their maps that way.
pathagoras
aryabhata
It is impossible to say who first made the suggestion. Eratosthenes made a remarkably accurate calculation of the size of the earth around 200 BC. So the ancient Greeks certainly knew the world was a sphere.
Labeled the Big Bang theory, the other planets crashes into eachother, forming a large mass of space rock, which formed the shape of a sphere, or, Earth.
The Greeks were the first to determine that the earth was a sphere and they modeled their maps that way.
The troposphere, I do believe.
PYTHAGOREANS
pathagoras
chistopher coulmbus
Since the Earth is a sphere, there is no beginning and end, since a sphere is a never-ending shape. Therefore there is no last or first country.
How do rockets create thrust
aryabhata
It is impossible to say who first made the suggestion. Eratosthenes made a remarkably accurate calculation of the size of the earth around 200 BC. So the ancient Greeks certainly knew the world was a sphere.
Columbiawas the first Space Shuttle that traveled to Earth orbit. .
Imagine that you are on a beach and there will be a boat coming, if the Earth is flat, you should see the whole boat, but if it a sphere, you should only see the sail first. If you are unsure, try this idea.
Although Ferdinand Magellan's expedition was the first circumnavigation of the Earth, many ancient scholars were already aware that the Earth was round. The Greek scientist Eratosthenes was the first to calculate the Earth's circumference, thus proving the Earth's roundness.