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- Earth’s physical environment is often described in terms of spheres: the magnetosphere, the atmosphere, the hydrosphere, and the lithosphere. Parts of these spheres make up the biosphere, the area of Earth where life exists.
education.nationalgeographic.org/resource/earth/
We're On It - Earth is a rocky planet with a solid and dynamic surface of mountains, canyons, plains and more. Most of our planet is covered in water. Breathe Easy - Earth's atmosphere is 78 percent nitrogen, 21 percent oxygen and 1 percent other ingredients—the perfect balance to breathe and live.
Earth is rounded into an ellipsoid with a circumference of about 40,000 km. It is the densest planet in the Solar System. Of the four rocky planets, it is the largest and most massive. Earth is about eight light-minutes away from the Sun and orbits it, taking a year (about 365.25 days) to complete one revolution.
3 days ago · Earth, third planet from the Sun and the fifth largest planet in the solar system in terms of size and mass. Its single most outstanding feature is that its near-surface environments are the only places in the universe known to harbour life. It is designated by the symbol ♁.
- Earth is the third planet from the Sun and the fifth largest planet in the solar system in terms of size and mass. Its near-surface environments ar...
- Earth is located in the Orion-Cygnus Arm, one of the four spiral arms of the Milky Way, which lies about two-thirds of the way from the centre of t...
- Earth’s name in English, the international language of astronomy, derives from Old English and Germanic words for ground and earth, and it is the o...
- Earth and the other planets in the solar system formed about 4.6 billion years ago. The early Earth had no ozone layer and no free oxygen, lacked o...
- Viewed from another planet, Earth would appear bright and bluish in colour. In latitudinal belts, swirling white cloud patterns of midlatitude and...
Dec 6, 2019 · The surface area of Earth is about 197 million square miles / 510 million square kilometers. Around 71% of the surface is covered by water and 29% by land. The water is 3% fresh and 97% salted.
Terrestrial Atmosphere. Surface 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 temperature: 288 K (15 C) Diurnal temperature range: 283 K to 293 K (10 to 20 C) Wind speeds: 0 to 100 m/s.
Oct 19, 2023 · The Equator is an imaginary line around the middle of Earth. It is halfway between the North and South Poles, and divides Earth into the Northern and Southern Hemispheres.
Oct 20, 2023 · Size: Earth has a diameter of 7,926 miles (12,756 kilometers). Distance from the Sun: Earth is the third planet from the Sun, which is about 93 million miles (150 million km) away.
