who said the earth was round ?

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https://magnifymind.com › who-discovered-the-earth-is-round

https://magnifymind.com › who-discovered-the-earth-is-round
Who Discovered the Earth is Round And How They Did It? – MagnifyMinds
In fact, the Greek philosopher Pythagoras was the first to come up with the concept of a spherical Earth back in the 6th century BCE. Pythagoras’s idea was based on his observations of the moon during a lunar eclipse. He noticed that the shadow cast by the Earth on the moon was always round, no matter what part of the planet was facing the moon.

https://starchild.gsfc.nasa.gov › docs › StarChild › questions › question54.html

https://starchild.gsfc.nasa.gov › docs › StarChild › questions › question54.html
Who figured out the Earth is round? – NASA
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. As I recall, he based his idea on the fact that he showed the Moon must be round by observing the shape of the terminator (the line between the part of the Moon in light and the part of the Moon in the dark) as it moved through its orbital cycle. Pythagoras reasoned that if the Moon was round, then the …
AcknowledgmentsImagine the Universe

https://www.history.com › news › christopher-columbus-never-set-out-to-prove-the-earth-was-round

https://www.history.com › news › christopher-columbus-never-set-out-to-prove-the-earth-was-round
Christopher Columbus Never Set Out to Prove the Earth was Round
That was thanks to scientists, philosophers and mathematicians who, as early as around 600 B.C., made observations that Earth was round. Using calculations based on the sun’s rise and fall,…

https://sciencebriefss.com › faq › who-discovered-the-earth-was-round

https://sciencebriefss.com › faq › who-discovered-the-earth-was-round
Who Discovered The Earth Was Round – Faq | ScienceBriefss.com
Science has made its impact on the theory of great Galileo – Pythagoras, a Greek philosopher told or imagined that the earth was spherical. He told this in 6th century BC. It is said that Columbus may have said or invented that the earth is not flat. It is round. Otherwise, on his voyage he may have fallen from the edge of the earth.

https://thelogicofscience.com › 2015 › 09 › 21 › no-one-thought-galileo-was-crazy-and-everyone-in-columbuss-day-knew-they-earth-was-round

https://thelogicofscience.com › 2015 › 09 › 21 › no-one-thought-galileo-was-crazy-and-everyone-in-columbuss-day-knew-they-earth-was-round
No one thought that Galileo was crazy, and everyone in Columbus’s day …
No one in Columbus’s day thought that the earth was flat. The idea that the earth is round dates all the way back to the Greek philosophers, and it was nearly universally accepted well before Columbus set sail. So the debate in Columbus’s day was over the size of the earth, not its shape. You see, the most widely accepted estimate of earth’s circumference in Columbus’s time was 40,250 to 45,900 kilometers (25,000 to 28,500 miles), but Columbus thought that it was much …

https://www.quora.com › Who-was-the-first-person-to-prove-the-Earth-was-round?share=1

https://www.quora.com › Who-was-the-first-person-to-prove-the-Earth-was-round?share=1
Who was the first person to prove the Earth was round? – Quora
That the Earth was round was postulated by theoretical and geometrical means and observation as far back as Aristotle who used the evidence from ships disappearing on the horizon and (correctly) assumed that the shadow of the Earth was responsible for the phases of the Moon. Eratosthenes around 240 BCE had calculated that its circ Continue Reading

https://en.wikipedia.org › wiki › Spherical_Earth

https://en.wikipedia.org › wiki › Spherical_Earth
Spherical Earth – Wikipedia
Spherical Earth or Earth’s curvature refers to the approximation of figure of the Earth as a sphere. The earliest documented mention of the concept dates from around the 5th century BC, when it appears in the writings of Greek philosophers. In the 3rd century BC, Hellenistic astronomy established the roughly spherical shape of Earth as a physical fact and calculated the Earth’s circumference. This knowledge was gradually adopted throughout the Old World during Late Antiquity and …

https://www.history.com › this-day-in-history › galileo-is-accused-of-heresy

https://www.history.com › this-day-in-history › galileo-is-accused-of-heresy
Galileo is accused of heresy – HISTORY
The Church had decided the idea that the sun moved around the Earth was an absolute fact of scripture that could not be disputed, despite the fact that scientists had known for centuries that…

https://medium.com › starts-with-a-bang › who-discovered-the-earth-is-round-67dfc013402a

https://medium.com › starts-with-a-bang › who-discovered-the-earth-is-round-67dfc013402a
Who Discovered The Earth is Round? | by Ethan Siegel – Medium
You might think that Columbus went out on a limb by assuming the Earth was round, or that it was Magellan who proved it for certain a few years later with his global circumnavigation.

https://whoinventedthis.net › who-invented-the-earth-is-round

https://whoinventedthis.net › who-invented-the-earth-is-round
Who Invented The Earth Is Round » WhoInventedThis
Aristotle, who lived from 384 to 322 BC, believed that the Earth was round. He thought that the Earth was the center of the universe and that the Sun, Moon, planets, and all fixed stars revolved around it. Who said that the Earth was not round? Approximately a century later, to Eratosthenes (276-194 BC)

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