Circumference of globe in km

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August undefined, 2024

WebIf we construct a right triangle where one angle is 60 degrees (half of 120 degrees), "d" is the distance to the earth, and "r" is the radius of the earth, then d = r/tan (60) = 6371 km/1.732 = 3678 km = 2285 miles. This says that you would have to be 3678 km (2285 miles) away from the earth to see it as a full disk. WebJul 29, 2024 · He could then use simple proportions to find the Earth’s circumference—7.2 degrees is 1/50 of 360 degrees, so 800 times 50 equals 40,000 kilometers. And just like that, an ancient Greek calculated precisely the circumference of our entire planet with just a stick and his brain over two thousand years ago.

Distance away from earth to see it as a full disk [duplicate]

WebIn the mid-20th century we began launching satellites into space that would help us determine the exact circumference of the Earth: 40,030 km. But over 2000 ... WebDec 28, 2024 · If you treat the Earth as a sphere with a circumference of 25,000 miles, then one degree of latitude is 25,000/360 = 69.44 miles. A minute is thus 69.44/60 = 1.157 miles, and a second is 1.15/60 = 0.0193 miles, or about 101 feet. chrysalis pronounce

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WebMay 27, 2024 · By Staff Writer Last Updated May 27, 2024. It will take a man, walking in a steady and uninterrupted pace of 3 miles per hour (mph), to walk one complete circuit around the entire equatorial circumference of the Earth in 8,300.33 hours. This is approximately 345.8 days, 49.4 weeks, 11.5 months or .95 years of steady walking in a … WebOct 22, 2024 · The Space Shuttle orbiter, with a velocity of 27,880 km per hour (17,322 miles per hour) takes approximately 90 minutes to orbit, or travel just outside the … WebFor example, the circumference of a circle with a radius of 4 inches is simply 2 x 3.14159 x 4 = 25.13 inches. If the diameter is given instead, first divide it by two, then repeat the above process. For example, if the … chrysalis pronunciation audio

What Is The Circumference Of The Earth? - WorldAtlas

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WebSep 7, 2024 · Today we know our planet's circumference is roughly 40,000 kilometers (24,850 miles). Not bad for a more than 2,000-year-old estimate made with no modern technology! WebDec 24, 2015 · The equatorial circumference of the Earth is 40,075 km. This is the distance around the equator of the Earth. If you measure the circumference of the Earth, while … derriford army reserve centreEarth's circumference is the distance around Earth. Measured around the Equator poles ... needed] Thus Posidonius's measure of 240,000 stadia translates to 24,000 mi (39,000 km), not much short of the actual circumference of 24,901 mi (40,074 km). ... Illustration showing a portion of the globe showing a part of the … See more 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). See more Eratosthenes The measure of Earth's circumference is the most famous among the results obtained by … See more • Earth radius • Spherical Earth • Nautical mile See more • Carl Sagan demonstrates how Eratosthenes determined that the Earth was round and the approximate circumference See more In 1617 the Dutch scientist Willebrord Snellius assessed the circumference of the Earth at 24,630 Roman miles (24,024 statute miles). Around that time British mathematician See more • Krebs, Robert E.; Krebs, Carolyn A. (2003). "Calculating the Earth's Circumference". Groundbreaking Scientific Experiments, … See more derriford early pregnancy unit

"WebDec 14, 2024 · Determine the radius of a circle. Let's assume it's equal to 14 cm. Substitute this value to the formula for circumference: C = 2 * π * R = 2 * π * 14 = 87.9646 cm. You can also use it to find the area of a circle: A … " - Circumference of globe in km

Circumference of globe in km

Lesson 21: Eratosthenes Measurement of the Earth

WebThe polar diameter is 10 km (6 mi.) greater than the equatorial diameter. Earth is a prolate spheroid. ... early contribution to cartography by dividing the circumference of Earth into 360° with each degree comprising 60 minutes, and each minute comprising 60 seconds? ... The transformation of a spherical globe to a 2D surface is a. map ... Web40,000 divided by 2 is 20,000. Divide again by pi to get the Earth's radius - 6,370km. 15cm (that's how far off the ground we're lifting the string, remember) out of 6,370km is close to one part in...

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WebApr 25, 2024 · With a circumference of 40,075 km, Earth is the fifth largest of the planets in the Solar System. The meridional circumference that is from pole to pole is 40,008 km. … WebC = circumference π = pi = 3.1415926535898 √ = square root Calculator Use. This online calculator will calculate the 3 unknown values of a sphere given any 1 known variable including radius r, surface area A, volume V …

WebThe ratio of the circumference to the diameter of a circle (circumference/diameter) is written as the symbol pi. Pi is approximately 3.141592. 3.14159265 3.1415926535 ... at … WebJun 27, 2024 · Earth measures 24,898 miles (40,070 kilometers) in circumference, so when you divide distance by time, that means the planet is spinning 1,037 mph ( 1,670 km/h). Meanwhile, Earth orbits the sun at ...

WebBut if the globe model was fake, it would have been created to fit everything we see, so therefore all those 666s are coincidences ... Earth’s orbital speed is about 67,000 miles per hour or 107,000 km/h 31. Earth’s circumference is 21,639 nautical miles not 21,600 nautical miles 30. The speed of sound is 666.379 knots or approximately 667 ... WebMar 2, 2009 · Here are a bunch of measurements for you: Circumference of the Earth in kilometers: 40,075 km Circumference of the Earth in meters: 40,075,000 meters …

WebThe circumference of a circle is the distance around the circle. If you imagine the circle as a piece of string, it is the length of the string. If the circle has radius \(r\) then the …

WebMar 28, 2024 · The length of a degree of arc of latitude is approximately 111 km (69 miles), varying, because of the nonuniformity of Earth’s curvature, from 110.567 km (68.706 miles) at the Equator to 111.699 km (69.41 miles) at the poles. Geographic latitude is also given in degrees, minutes, and seconds. facts about lines of longitude derriford hospital chestnut unitWebSize of Globe Distance Measurement. 9 inch Globe: 1 inch = 880 miles. 12 inch Globe: 1 inch = 660. 16 inch Globe: 1 inch = 500. As an example, on a 12 inch globe the distance … chrysalis psychological consultancyWebMeasuring the Circumference of the Earth. More than 2,000 years ago Eratosthenes compared the position of the Sun’s rays in two locations to calculate the spherical size of … derriford hospital car parksWebApr 2, 2024 · His measurement of Earth’s circumference may have varied by 0.5 to 17 percent from the value accepted by modern astronomers, but it was certainly in the right range. He also measured the degree of obliquity of the ecliptic (in effect, the tilt of Earth’s axis) and wrote a treatise on the octaëteris, an eight-year lunar-solar cycle. chrysalis psychiatry orange vaWebJan 31, 2024 · The horizon at sea level is approximately 4.5 km. To calculate it, follow these steps: Assume the height of your eyes to be h = 1.6 m. Build a right triangle with hypotenuse r + h (where r is Earth's radius) … chrysalis psychiatryWebOct 14, 2024 · Local topography also plays a role in the Earth's shape, but on a global scale, its role is very small. The largest differences in local topography across the globe are Mount Everest, the highest point above … chrysalis psychiatry temeculaWebJul 16, 2024 · The largest sphere represents all of Earth's water. Its diameter is about 860 miles (the distance from Salt Lake City, Utah, to Topeka, Kansas) and has a volume of about 332,500,000 cubic miles … chrysalis programme