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Swift is an impact crater on Mars's moon Deimos. It is about 3 km (1.9 mi) in diameter. [2] [3] Swift is named after Jonathan Swift, whose 1726 book Gulliver's Travels predicted the existence of two moons of Mars. [4] Swift is one of two named features on Deimos, the other being Voltaire.
Deimos (/ ˈ d aɪ m ə s /; systematic designation: Mars II) [11] is the smaller and outer of the two natural satellites of Mars, the other being Phobos. Deimos has a mean radius of 6.2 km (3.9 mi) and takes 30.3 hours to orbit Mars. [5] Deimos is 23,460 km (14,580 mi) from Mars, much farther than Mars's other moon, Phobos. [12]
Phobos has a diameter of 22.2 km (13.8 mi) and a mass of 1.08 × 10 16 kg, while Deimos measures 12.6 km (7.8 mi) across, with a mass of 1.5 × 10 15 kg. Phobos orbits closer to Mars, with a semi-major axis of 9,377 km (5,827 mi) and an orbital period of 7.66 hours; while Deimos orbits farther with a semi-major axis of 23,460 km (14,580 mi) and ...
Voltaire is an impact crater on Mars's moon Deimos and is approximately 3 km (1.9 mi) across. [2] [3] Voltaire crater is named after François-Marie Arouet, a French Enlightenment writer who was better known by the pen name Voltaire, who in his 1752 short story "Micromégas" predicted that Mars had two moons.
A transit of Deimos from Mars lasts a maximum of about two minutes, due to its relatively rapid orbital period of about 30.3 hours.. Because they orbit Mars in low-inclination equatorial orbits, the shadows of Phobos or Deimos projected onto the surface of Mars exhibit a seasonal variation in latitude.
Phobos AND DeimOs Retroreflector Array (PANDORA) is a compact passive laser retroreflector device on the PADME spacecraft that would be used as a laser ranging time-of-flight target for a laser communication system on Mars (possibly on board NASA's Mars 2020 rover) to conduct technology demonstrations of laser communication through the martian ...
A lightweight online FPS (45-50 MB package), with a built-in map maker and capable of being played with a 56k connection. C-evo: 1999 2013 TBТ, 4X: Public-domain software: Proprietary: 2D: Inspired by Sid Meier's Civilization: Alien Arena: 2004 2011 FPS: GPL: Proprietary [43] 3D: Based on ID Software open-source engine. Celeste 64: Fragments ...
The HTML markup produced by this template emits an Geo microformat, which makes the location's coordinates (latitude & longitude) parsable, so that they can be, say, looked up on a map. As yet, the standard for doing this for off-world bodies is still under development, but is supported in some microformat parsers (e.g. Swignition ).