circumference of earth

The circumference is 40074 km. Earths circumference can be found out by using the geometric formula that was used over 2000 years ago.

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That would give us a circumference at the equator of 62838 km.

. If you measure the circumference of the Earth while passing through the poles the. Measured at the equator the circumference of the Earth is 2490155 miles. However from pole-to-pole the meridional circumference Earth is only 24860 miles 40008 km around. Earth is an ellipsoid with a circumference of about 40000 km.

Eratosthenes thought the following way. C πd C π d. Today we know our planets circumference is roughly 40000 kilometers 24850 miles. The circumference of the Earth can be found by two methods.

What is polar circumference of Earth. Earth is about eight light minutes away from the Sun and orbits it taking a year. Eratosthenes the head librarian in Alexandria Egypt in 200 BC. This is the distance around the equator of the Earth.

What is the circumference of the Earth at different latitudes. Earths polar radius is 3950 miles 6356 km a difference of 13 miles 22 km. Proportional to the radius the circumference of the earth at 60. The circumference of the Earth in kilometers is 40075 km and the circumference of the Earth in miles is 24901.

Assuming a spherical earth. Using those measurements the equatorial circumference of Earth is about 24901 miles 40075 km. Which is all a long-winded way of saying multiply the circumference of. The distance from Earth to the sun called an astronomical unit is 92955807 miles 149597870 kilometers according to the.

Here we have a circle with a given diameter of 12756274 kilometers 12756274 k i l o m e t e r s. With a circumference of 40075 km Earth is the fifth largest of the planets in the Solar System. However the Earth is not quite a perfect circle and if you measure through the poles the circumference is a bit shorter2485982 miles. Thus the circumference can be estimated by multiplying the distance between the.

Radius diameter and circumference. Circumference of Earth with remarkable accuracy. Geometry tells us that the ratio of 150 is the same as the ratio of the distance between Syene and Alexandria to the total circumference of the Earth. Using this information we can calculate the circumference of the Earth as C π x 12742km 40030km.

We did not select the diameter randomly. Given this information what is the circumference of the Earth. To find its circumference multiply that measurement times π π. The difference is caused by the flattening of the poles such that the Earth has an oblate spheroidal shape.

Thus if one measures the distance from Alexandria to Syene and multiply it by this amount then what. In other words if you. Again we know that C πd and that the diameter of the earth is 12742km. Earths global average surface temperature in 2021 tied with 2018 as the sixth warmest on record according to NASA and NOAA.

Eratosthenes was a talented mathematician and geographer as well as an astronomer. He made several other important contributions to science. In 200 BC. Degrees North latitude is approximately 12000 miles.

The earth by the cosine of the latitude. 2021 Tied for 6th Warmest Year in Continued Trend NASA Analysis Shows Climate researchers from NASA and NOAA will release their annual assessments of global temperatures on Jan. Eratosthenes estimated Earths circumference at about 46250 kilometers 28735 miles. The actual polar circumference of Earth is just a bit over 40 thousand km about 24860 miles.

Earth Mean Orbital Elements J2000 Semimajor axis AU 100000011 Orbital eccentricity 001671022 Orbital inclination deg 000005 Longitude of ascending node deg -1126064 Longitude of perihelion deg 10294719 Mean Longitude deg 10046435. The equatorial circumference of the Earth is 40075 km. Estimated the earths circumference using the following method. As related accomplishments he also demon-strated that Earth is essentially spherical and measured the tilt of its axis 235.

Of the four rocky planets it is the largest and most massive. The meridional circumference that is from pole to pole is 40008 km. However Earth is. But how to come up from this fact for calculating the circumference of the Earth.

Well the difference in angle between these two cities is equal to 712 which is 5056 times less than a full circle. Pole to equator-FE or center of sphere to equator-RE That would work for either one however the measured surface distance from the N. C 40075016 km C 40075016 k m. E arths polar radius is 3950 miles 6356 km a difference of 13 miles 22 km.

The radius of Earth at the equator is 3963 miles 6378 kilometers according to NASAs Goddard Space Flight Center in Greenbelt Maryland. Although a spheri-cal Earth had been suggested 300 years earlier by Pythagoras appar-ently for purely asthetic reasons Eratosthenes provided the first geometric proof. It is the densest planet in the Solar System. Earths Measurements.

This means a radius of 6377 km N. 60 or R2. Eratosthenes devised a system of latitude and longitude and a calendar that included leap years. Get out a piece of paper and a calculator and see if you can work it out on your own.

Since the circumference of a circle is directly. Using those measurements the equatorial circumference of Earth is about 24901 miles 40075 km. Pole to the equator is 10001 km. The earth as we said is an oblate spheroid so geodesists scientists who measure the earth and its position in space have measured and calculated the average of earths circumference as 40075 km or 24901 mi.

C π 12756274 km C π 12756274 k m. So Earths orbit is the circumference of a circle.

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