This guide provides links to books and journal articles on the pseudoscientific theory that the earth is a flat disc. …with binoculars you can see planets, you can see Saturn and Jupiter, you can see Mars with a telescope, the sun and the moon, everything else you see in the solar system is a sphere. The Flat Earth and its Advocates: A List of References For thousands of years people have known the earth is a sphere, yet, periodically, doubters come forward to challenge the fact.
It’s a useful video for older learners and adults who want to understand the shape of our Blue Marble home, or need to explain it to others. Aristarchus‘ observations of Earth’s shadow on the moon during lunar eclipses.Eratosthenes‘ measurements of sunlight down wells in two different cities.
Looking at ships or boats on the horizon with binoculars.Listen as Thaller describes three observable ways that humans have come to know that we live on a sphere, or specifically, an irregularly-shaped ellipsoid: The ancient Greeks actually had a number of really elegant, wonderful proofs that the Earth was a sphere. …people have known of this for way more than 2,000 years. But conference emcee Rick Hummer summed up attendees feelings on being mocked and ridiculed in one simple statement. So how do we know the Earth is round? Watch this 2018 Big Think explainer: Three proofs that debunk the flat-Earth theory. For most people, being described as a flat Earther would be an insult. Michelle Thaller, astronomer and science communicator with the NASA Goddard Space Flight Center. This is not a viable argument,” explains Dr. “It’s not okay to think that the Earth is flat.
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