Earth radius (denoted as R🜨 or ) is the distance from the center of Earth to a point on or near its surface. Approximating the figure of Earth by an Earth spheroid, the radius ranges from a maximum of nearly 6,378 km (3,963 mi) (equatorial radius, denoted a) to a minimum of nearly 6,357 km (3,950 mi) (polar radius, denoted b). WebApr 5, 2024 · A skyscraper-size asteroid cruising the cosmos at 35,000 mph (56,000 km/h) will make a relatively close approach to Earth Thursday (April 6), zooming past our planet at about 7.5 times the average ...
Earth: By the Numbers - NASA
WebMar 10, 2024 · The asteroid has a 0.18 per cent chance, or one in 560 odds, of colliding with the Earth that day. The space rock is about 49.29 metres in diameter, or just over the size of two tennis courts, and ... Size and shape Earth has a rounded shape, through hydrostatic equilibrium, with an average diameter of 12,742 kilometers (7,918 mi), making it the fifth largest planetary sized and largest terrestrial object of the Solar System. Due to Earth's rotation it has the shape of an ellipsoid, bulging at its Equator, … See more Earth is the third planet from the Sun and the only place known in the universe where life has originated and found habitability. While Earth may not contain the largest volumes of water in the Solar System, only Earth sustains liquid … See more Formation The oldest material found in the Solar System is dated to 4.5682+0.0002 −0.0004 Ga (billion years) ago. By 4.54±0.04 Ga the … See more Moon The Moon is a relatively large, terrestrial, planet-like natural satellite, with a diameter about one-quarter of the Earth's. It is the largest moon in the … See more The atmospheric pressure at Earth's sea level averages 101.325 kPa (14.696 psi), with a scale height of about 8.5 km (5.3 mi). A dry atmosphere is composed of 78.084% See more The Modern English word Earth developed, via Middle English, from an Old English noun most often spelled eorðe. It has cognates in every Germanic language, and their See more Rotation Earth's rotation period relative to the Sun—its mean solar day—is 86,400 seconds of mean … See more Earth's hydrosphere is the sum of Earth's water and its distribution. Most of Earth's hydrosphere consists of Earth's global ocean. Nevertheless, Earth's hydrosphere also consists of … See more chi the movie
In Depth Earth – NASA Solar System Exploration
WebDec 24, 2015 · The equatorial diameter of the Earth is 12,756 km. This is the diameter of the Earth measured from one side of the Earth, passing through the center. If you go from pole to pole through... WebFeb 11, 2024 · The latest measurements indicate that the Earth has an equatorial diameter of 12,756 km (7926 mi), and a polar diameter of 12713.6 km (7899.86 mi). This is true for other planets in the... WebDec 15, 2024 · With a radius of 3,959 miles (6,371 kilometers), Earth is the biggest of the terrestrial planets and the fifth largest planet overall. From an average distance of 93 million miles (150 million kilometers), Earth is … chi thermal