Albert Einstein used thought experiments as a tool for formulating his theories. His theories provided predictions that can be tested in observation and experiments. He did not perform the observation and experiments himself. Others did and confirmed his theories.
Some flat-Earthers dismiss Einstein’s theories —especially those about gravity— on the basis that they are founded on thought experiments and daydreaming. They are wrong. His theories have been repeatedly confirmed by various experiments and observation performed by many others, even to this day.
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Gravity is a natural phenomenon by which all things with mass or energy are brought toward one another. Today, the phenomenon of gravity is explained by two theories: Newton’s law of universal gravitation and Einstein’s general relativity.
Flat-Earthers take the existence of the two explanations as inconsistency in science and use it as a “proof” of deliberate misconduct. Such allegation is obviously only a result of their prejudice. The two theories are the correct explanations of gravity, and can reliably predict the outcome of the phenomenon.
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Flat-Earthers quoted Einstein’s statement out of context to give the appearance that he gave credence to the notion that Earth is stationary. In reality, Einstein never said the Earth is stationary.
The quote came from his Kyoto address “How I created the theory of relativity,” December 14, 1922.
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Isaac Newton formulated the law of universal gravitation which explained the motion of all celestial bodies in space known at his time. Also, he demonstrated that it is the same law that is causing everyday objects to fall to Earth.
Newton wrote that he had not been able to discover the reason for the phenomenon of gravity. Flat-Earthers use this as “proof” that he lied and he did not know anything about gravity, and that gravity was a mere fabrication. They are wrong. Gravity adequately explained the motion of all celestial bodies and the fact that everyday objects are falling to Earth. Newton simply did not know what is causing it.
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