WebScience. Earth Sciences. Earth Sciences questions and answers. Figure 1: World Map Earth's total area is roughly 510 million square kilometers ( 197 million square miles). Approximately 360 million square kilometers ( 140 million square miles) of the Earth is covered by oceans and seas. 4. WebFeb 17, 2010 · The "effective volume" of the Earth's atmosphere is about 4.2 billion cubic kilometers. This figure is the surface area of the Earth (509 million square kilometers) times the "effective...

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WebMass (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) 6371.000 Core radius (km) … WebMar 22, 2024 · Just slightly larger than nearby Venus, Earth is the biggest of the four planets closest to the Sun, all of which are made of rock and metal. The name Earth is at least 1,000 years old. All of the planets, … hrms form railway pdf

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Earth as an idealized spheroid has a surface area of about 510 million km 2 (197 million sq mi). Earth can be divided into two hemispheres . Generally, Earth is divided by latitude into the polar Northern and Southern hemispheres, or by longitude into the continental Eastern and Western hemispheres. 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 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 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 Size and shape Earth has a rounded shape, through hydrostatic equilibrium, with an average diameter of 12,742 … 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 Web22 hours ago · Using high-resolution satellite data and maps of mountain terrains, researchers found that 780,000 square kilometers (301,000 square miles) of mountain forest — an area the size of Texas or […] WebThe total area of the Earth is approximately 510 million square kilometers and the oceans cover about 71 percent of the Earth's surface, which is about 360 million square … hobart average annual rainfall