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In many cases it is not possible to have an exact value, and an estimated range is instead provided. The coldest and oldest planet directly imaged is Epsilon Indi Ab, which has six times Jupiter's mass, an effective temperature of 275 K, and an age of about 3.5 Ga. This list includes the four members of the multi-planet system that orbit HR 8799.
Rak Mesba is a partial ancient alien Alderson Disk in Orion's Arm, a multi-authored online science fiction world-building project. [6] A disk-shaped planet similar to an Alderson disk (though far smaller) served as the homeworld of the fantasy "Aysle" setting (or "cosm") of West End Games' Torg roleplaying game. In contrast with the Alderson ...
Alien Planet is a 2005 docufiction TV special created for the Discovery Channel. Based on the 1990 book Expedition by the artist and writer Wayne Barlowe , Alien Planet explores the imagined extraterrestrial life of the fictional planet Darwin IV in the style of a nature documentary .
Outer Wilds is set in a planetary system consisting of a sun orbited by a number of celestial bodies: the Hourglass Twins, a pair of planets orbiting each other with sand flowing from one to the other; Timber Hearth, a forested Earth-like planet that is the homeworld of the four-eyed Hearthian species; the Attlerock, a small rocky moon orbiting Timber Hearth; Brittle Hollow, a hollow planet ...
A planet is able to gravitationally pull its host star When the star is behind a planet, its brightness will seem to dim If a planet crosses (or transits) in front of its parent star's disk, then the observed brightness of the star drops by a small amount. The amount by which the star dims depends on its size and on the size of the planet ...
It is the third planet orbiting the star 61 Ursae Majoris. The Kzin civilization was at an iron-age technological level, when an alien race called the Jotoki landed, and made stealthy first contact with a tribe of primitive hunter/gatherer Kzinti: they were interstellar merchants, looking for a species they could use as mercenaries.
Extraterrestrial (also Alien Worlds in the UK) is a British-American two-part television documentary miniseries, aired in 2005 in the UK by Channel 4, by the National Geographic Channel (as Extraterrestrial) in the US on Monday, May 30, 2005 [1] and produced by Big Wave Productions Ltd.
العربية; Azərbaycanca; Беларуская; Беларуская (тарашкевіца) Български; Català; Чӑвашла; Čeština ...