Web2 days ago · In the mid-20th century, humans began launching satellites into space that would help determine the exact circumference of the Earth: 40,030 km. A marble statue of Eratosthenes. WebAug 6, 2024 · Eris has a very small moon called Dysnomia. Dysnomia has a nearly circular orbit lasting about 16 days. This moon is named after Eris' daughter, the demon goddess of lawlessness. Dysnomia and other small …
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WebUsing this measure, Eratosthenes was able to calculate a circumference that varies only a few percent from the modern value of 24,902 miles (40,076 km) at the equator. It is necessary to specify that this is the circumference at the equator because the Earth is actually an oblate (slightly compressed) sphere with a bulge in the middle, making ... WebOur Moon has a mean radius of 1,737 kilometers / 1,079 miles, while its polar radius is 1,736 km / 1,078 mi, and its equatorial radius is 1,738 km / 1,079 mi. The Moon’s diameter is 3,474 km / 2,158 mi, and it is the biggest Moon in the Solar System relative to the size of its planet. When it comes to other satellites, the Moon is the fifth ...
WebJan 11, 2024 · 7.2°/360° = 1/50. So, if 804 km or 500 mi. (or 5,000 stadia for Eratosthenes) was 1/50th, multiplication gives you the earth's circumference: 500 mi. x 50 = 25,000 mi. 804 km x 50 = 40,200 km. And for any of you ancient Greeks out there, 5,000 stadia x 50 = 250,000. stadia. The earth, as we said, is an oblate spheroid, so geodesists ... WebMar 29, 2024 · Moon, Earth ’s sole natural satellite and nearest large celestial body. Known since prehistoric times, it is the brightest object in the sky after the Sun. It is designated by the symbol ☽. Its name in English, …
WebJan 21, 2024 · Radius, diameter and circumference. The sun Earths across the face of the sun, according to NASA (opens in new tab). The sun's circumference is about 2,715,396 miles (4,370,006 km). It may be the ... WebTranscribed Image Text: According to Lunar Laser Ranging experiment the average distance LM from the Earth to the Moon is approximately 3.91 x 105 km. The Moon orbits the Earth and completes one revolution relative to the stars in approximately 27.5 days (a sidereal month). Calculate the orbital velocity of the Moon in m/s.
WebApr 3, 2024 · At this new hypothetical max speed, it would take about 91 days to walk the 6,786-mile (10,921 km) circumference of the moon. For context, it would take around 334 days to walk nonstop (i.e., not...
WebJul 19, 2024 · This means the Moon's diameter from pole to pole is less than the diameter measured at the equator. But the difference is small, just four kilometres. The equatorial … flu hospitalization rateWebMass (10 24 kg) 5.9722 Volume (10 10 km 3) 108.321 Equatorial radius (km) 6378.137 Polar radius (km) 6356.752 Volumetric mean radius (km) ... The Moon For information on the Moon, see the Moon Fact Sheet. Notes on the factsheets - definitions of parameters, units, notes on sub- and superscripts, ... flu hotspots in the usWebOct 24, 2003 · Planet Sizes. Mercury – 1,516mi (2,440km) radius; about 1/3 the size of Earth. Venus – 3,760mi (6,052km) radius; only slightly smaller than Earth. Earth – 3,959mi (6,371km) radius. Mars – 2,106mi (3,390km) … flu hospitalsWebApr 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. … flu hot and cold flashesWebThe circumference of the earth is approximately 40,000 km. a) What is its diameter in miles? b) What is the earth's volume in cubic meters? A bullet with a velocity of 1200 ft/sec is fired at a target 1000 meters away. greenery parmaWebFor 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 … flu how long contagiousWeb1 (the Moon) (see also 3753 Cruithne) Physical characteristics Aspect Ratio 0.996 647 1 Ellipticity: 0.003 352 9 Equatorial radius 6,378.137 km Polar radius 6,356.752 km Mean radius 6,372.797 km Equatorial circumference 40,075.02 km Meridional circumference 40,007.86 km Mean circumference 40,041.47 km Surface area: 510,065,600 km²: Land … flu how contagious