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Solar system diagram by Emanuel Bowen in 1747, when neither Uranus, Neptune, nor the asteroid belts had yet been discovered. Orbits of planets are to scale, but the orbits of moons and the sizes of bodies are not. The term "Solar System" entered the English language by 1704, when John Locke used it to refer to the Sun, planets, and comets. [290]
For instance, for a large portion of names ending in -s, the oblique stem and therefore the English adjective changes the -s to a -d, -t, or -r, as in Mars–Martian, Pallas–Palladian and Ceres–Cererian; [note 1] occasionally an -n has been lost historically from the nominative form, and reappears in the oblique and therefore in the English ...
A-type star In the Harvard spectral classification system, a class of main-sequence star having spectra dominated by Balmer absorption lines of hydrogen. Stars of spectral class A are typically blue-white or white in color, measure between 1.4 and 2.1 times the mass of the Sun, and have surface temperatures of 7,600–10,000 kelvin.
The Solar System comprises the Sun and the objects that orbit it, including the satellites of those objects. Solar System may also refer to: a photovoltaic system, alternately called a "solar system" a planetary system, sometimes referred to as a "solar system" The Solar System, a 2017 Peruvian-Spanish comedy-drama film
Solar and lunar eclipses occur at times of syzygy, as do transits and occultations. The term is often applied when the Sun and Moon are in conjunction or in opposition . [4] When Earth is one of the bodies involved, the other objects appear to be close together (or overlapping) in the sky.
The names for the planets of the Solar System (other than Earth) in the English language are derived from naming practices developed consecutively by the Babylonians, Greeks, and Romans of antiquity. The practice of grafting the names of gods onto the planets was almost certainly borrowed from the Babylonians by the ancient Greeks, and ...
Flammarion engraving, Paris 1888. The cosmos (/ ˈ k ɒ z m ɒ s /, US also /-m oʊ s,-m ə s /; [1] Ancient Greek: κόσμος, romanized: kósmos) is an alternative name for the universe or its nature or order.
The Solar System consists of the Sun and the other celestial objects gravitationally bound to it: the eight planets, their 165 known moons, nine consensus dwarf planets (including Pluto) and their six known moons, and billions of small bodies.