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Short Answer:
The ancient Greeks discovered the shape of the Earth was round (sphere) 25 centuries ago.
In 1687, Isaac newton said the Earth was an oblate spheroid (slightly bulged at the equator) due to the centrifugal force from the Earth's rotation..
Long Answer:
More than 2400 years ago, the ancient Greeks knew the Earth was round, knew its size and knew it orbited the Sun.
Aristarchus (310 BC -- 230 BC) of Samos is the first on record to have claimed the Earth went around the Sun, a claim which necessitates both the Earth and Sun being round.
In the same era (240 BC) Eratosthenes of Alexandria calculated the Earth's circumference (hence radius) to an accuracy of a few percent, using the change in the angle of elevation of the noon Sun between Alexandria and a location that is now Aswan, Egypt.
In 1687, Isaac Newton said the shape of Earth should be an oblate ellipsoid (also called oblate spheroid) instead of a sphere and that was confirmed by measurements of French mathematician and physicist Pierre Louis Maupertuis in 1736.
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∙ 11y ago
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∙ 15y agoChristopher Columbus proved it, by sailing right round the world. His friends were worried because they thought that he would drop off of the edge of the earth, but he thought that he wouldn,t. Christopher Columbus proved it, by sailing right round the world. His friends were worried because they thought that he would drop off of the edge of the earth, but he thought that he wouldn,t. Christopher Columbus proved it, by sailing right round the world. His friends were worried because they thought that he would drop off of the edge of the earth, but he thought that he wouldn,t.
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∙ 14y agoThe study of Earth's landforms is known as geomorphology and is studied by geomorphologists.
Geology is the study of the Earth, the materials of which it is made, the structure of those materials, and the processes acting upon them. It includes the study of organisms that have inhabited our planet. An important part of geology is the study of how Earth's materials, structures, processes and organisms have changed over time.
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∙ 13y agoScientists have always known the Earth is round. They have not always know the exactly distance. It was not possible to measure it exactly until the first artificial satellites were launched. At that point it was discovered the earth was slightly pear shaped. The biggest surprise was the holes in the ocean. Scientists expected the oceans to be flat. They are not.
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∙ 12y agoGeologist are usually the scientist that study Earth.
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∙ 15y agoGeophysicist
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∙ 13y agoAlfred Wegener
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∙ 13y agoHutton and Lyell
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∙ 12y agoA geologist.
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∙ 13y agoEcology
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How Hutton's and lyell's ideas about the formation of the Earth influenced Darwin's ideas about evolution?
Hutton and Lyell studied the geological changes that shaped earth and recognized that the processes that shaped Earth in the past are the same processes that operate in the present. This influenced Darwin's theory of evolution because it shows, that things are constantly changing on earth (the enviorment) so why can't organisms?
What is a geological disaster?
A geological disaster is when the structure of the earth changes.
What are geological disasters?
geological disasteris forms when the structure of the earth changes . it occurs due to natural geological processes impact on our activities ,either through economic loss.
Who proposed the Earth was shaped by geological forces that took place over millions of years?
James Hutton
What observation did Darwin make that suggested there had been geological changes in Earth's history?
Giant Tortoises
How Hutton's and lyell's ideas about the formation of the Earth influenced Darwin's ideas about evolution?
Hutton and Lyell studied the geological changes that shaped earth and recognized that the processes that shaped Earth in the past are the same processes that operate in the present. This influenced Darwin's theory of evolution because it shows, that things are constantly changing on earth (the enviorment) so why can't organisms?
What is a geological disaster?
A geological disaster is when the structure of the earth changes.
Who explained that the geological process seen happening on the earth now have shaped earth's geological features over long periods of time?
Charles Lyell
Who explained that the geological processes seen happening on the earth now have shaped earth geological features over long periods of time?
ash ketchup and yes i said ketchup
Who explained that the geological process seen happening on the earth now have shaped earths geological features over long periods the?
Charles Lyell
What is an earth-shaped object called?
The technical name for the shape of the Earth is geoid. This is studied in the science of geodesy.
What are geological disasters?
geological disasteris forms when the structure of the earth changes . it occurs due to natural geological processes impact on our activities ,either through economic loss.
Who proposed the Earth was shaped by geological forces that took place over millions of years?
James Hutton
Where are todays geological changes occuring?
the geological changees are occuring in the fossil fuels rocks and other minerals
What do you call the history of Earth divided into intervals of time defined by major events or changes on earth is?
The geological time scale.
What observation did Darwin make that suggested there had been geological changes in Earth's history?
Giant Tortoises
Would an earthquake support the principle of uniformitarianism or principle of catastrophism?
Catastrophism was the theory that the Earth had largely been shaped by sudden, short-lived, violent events, possibly worldwide in scope. This was in contrast to uniformitarianism (sometimes described as gradualism), in which slow incremental changes, such as erosion, created all the Earth's geological features.
