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Main article: Solar System. According to the IAU definition, there are eight planets in the Solar System, which are (in increasing distance from the Sun):[2]Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Jupiter is the largest, at 318 Earth masses, whereas Mercury is the smallest, at 0.055 Earth masses.
A classical planet is an astronomical object that is visible to the naked eye and moves across the sky and its backdrop of fixed stars (the common stars which seem still in contrast to the planets). Visible to humans on Earth there are seven classical planets (the seven luminaries). They are from brightest to dimmest: the Sun, the Moon, Venus ...
Planetes (Japanese: プラネテス, Puranetesu; Greek: Πλάνητες Planētes, "Wanderers")[2] is a Japanese hard science fiction manga written and illustrated by Makoto Yukimura. It was serialized in Kodansha 's seinen manga magazine Morning between January 1999 to January 2004, with its chapters collected into four tankōbon volumes.
Planet Nine is a hypothetical ninth planet in the outer region of the Solar System. [2] [4] Its gravitational effects could explain the peculiar clustering of orbits for a group of extreme trans-Neptunian objects (ETNOs), bodies beyond Neptune that orbit the Sun at distances averaging more than 250 times that of the Earth i.e. over 250 astronomical units (AU).
Budget. €197 million (gross)[6] (~$209 million) [7] $177–205 million (net)[7][8][9] Box office. $226 million [2] Valerian and the City of a Thousand Planets (French: Valérian et la Cité des mille planètes) is a 2017 space opera film [10] written and directed by Luc Besson, and produced by his wife, Virginie Besson-Silla.
The Antikythera mechanism was an analog computer from 150–100 BCE designed to calculate the positions of astronomical objects. Ancient Greek astronomy is the astronomy written in the Greek language during classical antiquity. Greek astronomy is understood to include the Ancient Greek, Hellenistic, Greco-Roman, and late antique eras.
A dwarf planet is a small planetary-mass object that is in direct orbit around the Sun, massive enough to be gravitationally rounded, but insufficient to achieve orbital dominance like the eight classical planets of the Solar System. The prototypical dwarf planet is Pluto, which for decades was regarded as a planet before the "dwarf" concept ...
The planetae (Ancient Greek: πλανήται, romanized:planetai, Latin: planetae, lit. 'wanderers', or Ancient Greek: πλανωμένοι ἀστέρες, romanized:planomenoi asteres, Latin: stellae errantes, lit. 'wandering stars'), were the five naked-eye planets known to ancient Greek and Roman astronomers, who assigned them a variety of ...