WebJun 15, 2015 · Best Answer. The circumference of the Earth at the equator = 40,075.16 kilometers = about 40,075,160 m. The speed of light = 299,792,458 m / s. So .. Distance /Rate = Time ... 40,075,160 / 299,792,458 = about .134 seconds. CPhill Jun 15, 2015. #2. 0. The speed of light in a vacuum is 186,282 miles per second (299,792 kilometers per … Earth's circumference is the distance around Earth. Measured around the Equator, it is 40,075.017 km (24,901.461 mi). Measured around the poles, the circumference is 40,007.863 km (24,859.734 mi). Measurement of Earth's circumference has been important to navigation since ancient times. The first known scientific measurement and calculation was done by Eratosthenes, who achieved a g…
How fast does the Earth spin? Popular Science
WebNov 17, 2024 · At Earth’s equator, the speed of Earth’s spin is about 1,000 miles per hour (1,600 km per hour). This day-night spin has carried you around under the sun and stars every day of your life. And ... WebMar 28, 2024 · Given in degrees, minutes, and seconds, geocentric latitude is the arc subtended by an angle at Earth’s centre and measured in a north-south plane poleward … c# showdialog 勝手に閉じる
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WebOct 12, 2024 · Physics. Tuesday, October 12, 2024 - 16:00. Will Sullivan, Staff Writer. (Inside Science) -- Earth might look like a sphere, but it's actually an "oblate spheroid" -- the planet is slightly squished, making the circumference of the equator bigger than the circumference through the poles. Clouds, ocean currents, and long-range missiles all … WebNov 9, 2024 · The distance around the sun's equator (the mean solar equatorial circumference) is about 2,715,000 miles, or 4,379,000 km. That is about 109 times the … WebOct 26, 1998 · The earth rotates once every 23 hours, 56 minutes and 4.09053 seconds, called the sidereal period, and its circumference is roughly 40,075 kilometers. Thus, the surface of the earth at the equator ... c# showdialog dialogresult