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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.
Earth science or geoscience includes all fields of natural science related to the planet Earth. [1] This is a branch of science dealing with the physical, chemical, and biological complex constitutions and synergistic linkages of Earth's four spheres: the biosphere , hydrosphere / cryosphere , atmosphere , and geosphere (or lithosphere ).
Biogeographic realms are characterized by the evolutionary history of the organisms they contain. They are distinct from biomes, also known as major habitat types, which are divisions of the Earth's surface based on life form, or the adaptation of animals, fungi, micro-organisms and plants to climatic, soil, and other conditions
Answer: 192. Question: Earth Day's founding was partially inspired by protestors against what? ... Question: What 1968 book warned of the dangers of overpopulation on the planet?
There are four major disciplines in earth sciences, namely geography, geology, geophysics and geodesy. These major disciplines use physics , chemistry , biology , chronology and mathematics to build a qualitative and quantitative understanding of the principal areas or spheres of Earth.
Guide to Earth and Space (ISBN 0-449-22059-1) is a non-fiction work by American writer Isaac Asimov and published by Random House in 1991. The book differs somewhat in structure from typical literature by presenting its information in the form of answers to a series of questions, presumably posed by the reader.
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Earth's ecosphere lies it self within the heliosphere (the Sun's astrosphere). [4] Listed roughly from outermost to innermost the named spheres of the Earth are: Magnetosphere – The region around an astronomical object in which charged particles are affected by its magnetic field; Atmosphere, the gases that surround the Earth (its air) By ...