Earth (planet)/Related Articles
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- See also changes related to Earth (planet), or pages that link to Earth (planet) or to this page or whose text contains "Earth (planet)".
Continents
Antarctica: The Earth's southernmost continent, located almost entirely south of the Antarctic Circle; covers the South Pole. [e]- Africa: Continent stretching over the equator, hosting deserts, tropical jungles and savannah as well as over fifty nations; population about 900,000,000. [e]
Asia: The largest continent in both land area (with 30% of Earth's land area) and population (with 4 billion people, or 60% of Earth's population). [e]- Europe: Sixth largest continent; area 10,000,000 km2; pop. 720,000,000 [e]
- North America: The third largest continent, location of three large nations Canada, the United States, and Mexico. [e]
- South America: The fourth largest of the Earth's continents, one of the pieces that broke up from the former supercontinent Gondwana. [e]
Parent topics
Subtopics
- Age of the Earth: The Earth is around 4.54 billion years old. [e]
Earth's atmosphere: An envelope of gas that surrounds the Earth and extends from the Earth's surface out thousands of kilometres, becoming increasingly thinner (less dense) with distance but always held in place by Earth's gravitational pull. [e]- Earthquake: Sudden motion or trembling of Earth, which results from shock waves generated by the elastic movement of rock masses deep within the Earth, particularly near boundaries of tectonic plates. [e]
- Earth science: The study of the components and processes of the planet Earth. [e]
- Friends of the Earth: Add brief definition or description
- Snowball Earth: A hypothesis that proposes the Earth was entirely covered by ice during parts of the Cryogenian period, from 790 to 630 million years ago. [e]
- Near Earth Objects: Add brief definition or description
- Near Earth Orbit: Add brief definition or description
- Foucault pendulum: A pendulum demonstrating the Earth's rotation as it maintains its plane of motion independent of movement of its suspension attached to planet Earth. [e]
- Milankovitch cycles: cycles in the Earth's orbit that effect the amount of solar radiation striking the Earth at different times of the year. [e]
- Atmosphere: The layers of gas surrounding stars and planets. [e]
- Mesosphere: Layer of the Earth's atmosphere that is directly above the stratosphere and directly below the thermosphere, located about 50 to 85 kilometers (30 to 50 miles) above the Earth's surface. [e]
- Stratosphere: Second major layer of Earth's atmosphere, just above the troposphere, and below the mesosphere, stratified in temperature, with warmer layers higher up and cooler layers farther down. [e]
- Troposphere: The lowest of the main layers of the Earth's atmosphere, extending up about 12km from Earth's surface. [e]