Rounding the earth

RTE: Education Zone. RTE: Health Zone.

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Rounding the earth

Spherical Earth or Earth's curvature refers to the approximation of the 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. The concept of a spherical Earth displaced earlier beliefs in a flat Earth : In early Mesopotamian mythology , the world was portrayed as a disk floating in the ocean with a hemispherical sky-dome above, [8] and this forms the premise for early world maps like those of Anaximander and Hecataeus of Miletus. Other speculations on the shape of Earth include a seven-layered ziggurat or cosmic mountain , alluded to in the Avesta and ancient Persian writings see seven climes. The realization that the figure of the Earth is more accurately described as an ellipsoid dates to the 17th century, as described by Isaac Newton in Principia. Earth is massive enough that the pull of gravity maintains its roughly spherical shape. Most of its deviation from spherical stems from the centrifugal force caused by rotation around its north-south axis. This force deforms the sphere into an oblate ellipsoid. The Solar System formed from a dust cloud that was at least partially the remnant of one or more supernovas that produced heavy elements by nucleosynthesis. Grains of matter accreted through electrostatic interaction. As they grew in mass, gravity took over in gathering yet more mass, releasing the potential energy of their collisions and in-falling as heat.

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Like the other planets, the Earth is a sphere. It rotates around its own axis slowly but continuously, and completes this rotation about once every 24 hours. As the Earth rotates, part of the Earth is facing the sun, and part of it faces away. This is why some parts of the world have day and night at different times. There are a number of reasons why scientists know that the Earth is round, and not flat. It turns out that we can test many of these reasons out for ourselves, too.

Rounding the Earth is a multimedia online community hosting robust online discussions about COVID, economics, geopolitics and other important issues. Building off of his popular Substack series of the same name, Mathew Crawford is branching out to podcasting and livestreaming with Liam Sturgess and their burgeoning online research community. Paid supporters gain access to our weekly Locals-exclusive livestreams. Scroll down to check out our most recent episodes from the Rounding the Earth podcast including Round Table discussions, one-on-one interviews, Locals exclusives, and our weekly Rounding the News update. Even further down is a live feed of the latest articles from our Substack, with our Twitter feed on the right-hand side.

Rounding the earth

RTE: Education Zone. RTE: Health Zone. According to Rounding the Earth.

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This site requires JavaScript to run correctly. But I sort of respect flat-earthers for not just accepting the conclusions of others. The Solar System formed from a dust cloud that was at least partially the remnant of one or more supernovas that produced heavy elements by nucleosynthesis. May 16, RTE: Health Zone. Rounding the Earth Newsletter roundingtheearth. Improvements in transportation and other technologies refined estimations of the size of the Earth, and helped spread knowledge of it. Find Dr. Main article: Equatorial bulge. Climate Change Could Unearth It. Dec 04,

Send feedback. Rounding the Earth. Rounding the Earth is a multimedia online community hosting robust discussions about COVID, economics, geopolitics and other important issues.

The Chloroquine Wars Book Project roundingtheearth. Who Is David Boulware? Did the U. Now you have access to all the features of Boomplay App. Mary Talley Bowden Attacks on physicians who speak against the "accepted narrative" is the new normal. Substack is the home for great writing. The sun is in a different position in relation to different locations. Needham, Joseph; Wang, Ling []. Cambridge: Cambridge University Press. Matt Simon. So the period of time let's call it T for one full cycle of your pendulum would be:. Here's an animation of what that would sort of look like not in real time. Apr 05, You need to get a mass hanging on the end of a string and let that mass swing back and forth—yes, that would be a simple pendulum.