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- Isaac Newton first proposed that Earth was not perfectly round. Instead, he suggested it was an oblate spheroid—a sphere that is squashed at its poles and swollen at the equator. He was correct and, because of this bulge, the distance from Earth's center to sea level is roughly 21 kilometers (13 miles) greater at the equator than at the poles.
www.scientificamerican.com/article/earth-is-not-round/
How do we know Earth isn't flat? We can prove it. Here are 5 scientific ways of deducing that our home planet is a round globe, not a disc.
Apr 12, 2007 · Planet Earth is not, in fact, perfectly round. Isaac Newton first proposed that Earth was not perfectly round. Instead, he suggested it was an oblate spheroid—a sphere that is squashed at...
Dec 21, 2020 · Indirect evidence of the Earth’s spherical shape has existed for a long time, but the photographic proof was lacking until well into the 20th century. The ancient Greeks believed the Earth was round and calculated its circumference with remarkable accuracy, while observers inferred our planet’s spherical shape as it cast a curved shadow on ...
Earth orbits the Sun at an average distance of 149.60 million km (92.96 million mi), or 8.317 light-minutes, [1] in a counterclockwise direction as viewed from above the Northern Hemisphere. One complete orbit takes 365.256 days (1 sidereal year), during which time Earth has traveled 940 million km (584 million mi). [2] Ignoring the influence ...
Jun 3, 2016 · Animated short video in which Adam Rutherford & Hannah Fry explain why the Earth isn't rou. So what is the true shape of our planet?
- Adam Proctor
Sep 28, 2017 · Rapper B.o.B wants to launch a satellite into space to find out, once and for all, whether the Earth is flat or round. Here are seven other ways to prove our planet is spherical.
While the Earth appears to be round when viewed from the vantage point of space, it is actually closer to an ellipsoid. However, even an ellipsoid does not adequately describe the Earth’s unique and ever-changing shape.
