WebEarth's land is 29.2%, or 148.94 million km 2 (57.51 million sq mi) of Earth's surface area. Earth's land consists of many islands around the globe, but mainly of four continental … WebJan 7, 2024 · According to space.com, circumference of the Earth at its equator is 40,070 kilometers, and the day is 24 hours long so the speed is 1670 kilometers/hour ( 1037 miles/hr) on its equator....
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WebSurface pressure: 1014 mb Surface density: 1.217 kg/m 3 Scale height: 8.5 km Total mass of atmosphere: 5.1 x 10 18 kg Total mass of hydrosphere: 1.4 x 10 21 kg Average … WebOct 22, 2024 · Both of these values are very close to the accepted modern values for the Earth's circumference and radius, 40,070 km and 6378 km respectively, which have …
WebMar 3, 2024 · The Greeks already knew the earth was round and regarded it as a circle of 360 degrees and so by dividing 360 by 7.2 (so that 360 would divide evenly) he arrived at a circumference for the earth of 250.000 stades (approximately 24,854 miles/40,000 km). WebJul 6, 2024 · Earth's polar radius is 3,950 miles (6,356 km) — a difference of 13 miles (22 km). Using those measurements, the equatorial circumference of Earth is about 24,901 miles (40,075 km)....
WebMar 2, 2009 · Circumference of the Earth in miles: 24,901 miles Circumference of the Earth in feet: 131,477,280 feet Circumference of the Earth in inches: 1,577,727,360 … Earth's polar circumference is very near to 21,600 nautical miles because the nautical mile was intended to express one minute of latitude (see meridian arc), which is 21,600 partitions of the polar circumference (that is 60 minutes × 360 degrees). 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). … See more • Krebs, Robert E.; Krebs, Carolyn A. (2003). "Calculating the Earth's Circumference". Groundbreaking Scientific Experiments, … See more
WebEarth: By the Numbers Discovery Date of Discovery: Unknown Discovered By: Known by the Ancients Orbit Size Around Sun Metric: 149,598,262 km English: 92,956,050 miles …
WebFeb 28, 2024 · Radius, diameter and circumference. The mean radius of Uranus is 15,792 miles (25,362 kilometers), giving a diameter four times that of Earth. how to sew a bow tie for a dogWebDec 27, 2024 · Dec 27, 2024, 7:40 AM In the mid-20th century, we began launching satellites into space that would help us determine the exact circumference of the Earth: … how to sew a box cushion cover with pipingWebFind the speed of the Earth in its orbit about the Sun, using the distance 1 AU from Sun to Earth. Give the answer in km/s to two significant figures. 3.0 x 10 km/s because Circumference of orbit = 2 π r = 2 (3.14) (1.5 x 108) = 9.4x108 km Number of seconds in 1 year = 3652460*60 = 3.16x107 v = d/t = 2 (3.14) 1.5x108 km/ 3.16x107 s = 3.0 x 10 km/s how to sew a boxed cushionWebMeasured at the equator, the Earth has a circumference of 40,075.017 km or 24,901.461 miles. But measured from pole to pole, that is to say, along the meridian line, the Earth has a... how to sew a boxWebDec 14, 2024 · The first person to calculate the Earth's circumference was Eratosthenes, a Greek mathematician, in 240 B.C. He discovered that objects in a city on the Northern … how to sew a bowl cozy videoWebIn 200 B.C.E., Erastothenes estimated the circumference of the Earth to be about 46,250 km (at the time he used a different unit for distance, the stadia). Today we know that the Earth’s circumference is roughly 40,000 km (24,854 miles). Not bad for a two-thousand year old estimate with no modern technology! how to sew a box cornersWebwhat is the Radius of the earth in miles 4000 miles what is the radius of the earth in kilometers 6400 km what is the diameter of earth in miles 8000 miles what is the diameter of earth in km 12,800 km what is the circumference of earth in miles 24,000 miles what is the circumference of earth in km 38600 km how to sew a box bag