• Thumbnail for True polar wander
    True polar wander is a solid-body rotation (or reorientation) of a planet or moon with respect to its spin axis, causing the geographic locations of the...
    10 KB (1,220 words) - 19:15, 9 February 2025
  • Thumbnail for True polar wander on Mars
    Tharsis quadrangle. True polar wander Geography of Mars Geology of Mars Volcanism on Mars Murray, B., Malin, M. 1973. "Polar wandering on Mars?" Science 179...
    4 KB (428 words) - 15:34, 27 November 2022
  • Thumbnail for Tharsis
    Tharsis (category Mountains on Mars)
    doi:10.1146/annurev.earth.33.092203.122637. Arkani-Hamed, J (2009). "Polar Wander of Mars: Evidence from Giant Impact Basins". Icarus. 204 (2): 489–498. Bibcode:2009Icar...
    34 KB (4,084 words) - 14:52, 11 April 2025
  • polar wander, the Earth rotates with respect to a fixed spin axis. Research shows that during the last 200 million years a total true polar wander of some...
    17 KB (1,843 words) - 05:59, 19 February 2025
  • Mars is of particular interest for the study of the origins of life because of its similarity to the early Earth. This is especially true since Mars has...
    213 KB (20,771 words) - 04:34, 19 May 2025
  • equator. True polar wander may have been observed in other planetary bodies. Data suggests that Mars's polar wander resembles Earth's true polar wander; that...
    8 KB (928 words) - 16:52, 3 December 2023
  • Thumbnail for Olympus Mons
    Olympus Mons (category Mountains on Mars)
    Tharsis – Volcanic plateau on Mars True polar wander on Mars – Fluctuation in location of Martian poles Volcanism on Mars "Olympus Mons". Gazetteer of...
    30 KB (3,606 words) - 05:14, 17 May 2025
  • Thumbnail for Tharsis Montes
    Tharsis Montes (category Mountains on Mars)
    of Mars List of mountains on Mars by height List of tallest mountains in the Solar System Tharsis plateau True polar wander on Mars Volcanism on Mars "Tharsis...
    5 KB (619 words) - 22:31, 27 March 2025
  • Thumbnail for Mars ocean theory
    Michael Manga proposed a geophysical model that, after adjustment for true polar wander caused by mass redistributions from volcanism, the Martian paleo-shorelines...
    41 KB (4,774 words) - 13:38, 17 December 2024
  • Thumbnail for Timekeeping on Mars
    atmospheric, visual mapping, and polar-cap observations of Mars, ... a sequential count of sol-numbers". This Mars Sol Date (MSD) starts "prior to the...
    50 KB (5,976 words) - 05:52, 25 April 2025
  • Thumbnail for Astronomy on Mars
    scientific value and are not trying to show true color.[citation needed] Nevertheless, for many years, the sky on Mars was thought to be more pinkish than it...
    30 KB (3,565 words) - 06:58, 16 March 2025
  • Thumbnail for Mars
    radiation is high. Mars retains some water, in the ground as well as thinly in the atmosphere, forming cirrus clouds, frost, larger polar regions of permafrost...
    209 KB (18,461 words) - 20:56, 15 May 2025
  • Thumbnail for Exploration of Mars
    difficulties section for more details): Mars Observer (launched in 1992) Mars 96 (1996) Mars Climate Orbiter (1999) Mars Polar Lander with Deep Space 2 (1999)...
    123 KB (11,276 words) - 18:23, 18 May 2025
  • Thumbnail for Gravity of Mars
    sublimation-condensation cycle of carbon dioxide on Mars between the atmosphere and cryosphere (polar ice cap) operates seasonally. This cycle contributes...
    53 KB (6,282 words) - 00:06, 9 April 2025
  • Thumbnail for Mars carbonate catastrophe
    The Mars carbonate catastrophe was an event that happened on Mars in its early history. Evidence shows Mars was once warmer and wet about 4 billion years...
    12 KB (1,284 words) - 19:11, 24 April 2025
  • Thumbnail for Amazonis quadrangle
    Amazonis quadrangle (category Mars)
    Spectrometer (2001 Mars Odyssey) Geology of Mars Inverted relief Martian soil True polar wander on Mars Vallis (planetary geology) Water on Mars Davies, M.E...
    31 KB (4,001 words) - 07:56, 9 March 2025
  • Thumbnail for Tharsis quadrangle
    Tharsis quadrangle (category Mars)
    quadrangles on Mars Rahe (crater) Tholus True polar wander on Mars Volcano Volcanology of Mars Water on Mars Davies, M.E.; Batson, R.M.; Wu, S.S.C. (1992)...
    26 KB (2,987 words) - 07:50, 9 March 2025
  • Thumbnail for Polar motion
    Geodesy International Polar Motion Service Pole shift hypothesis Pole tide True polar wander Folgueira, M. (2005). "Free polar motion of a triaxial and...
    21 KB (2,603 words) - 10:16, 11 May 2025
  • Thumbnail for Meridiani Planum
    Meridiani Planum (category Albedo features on Mars)
    (alternatively Terra Meridiani) is a large plain straddling the equator of Mars. The plain sits on top of an enormous body of sediments that contains bound water...
    103 KB (12,042 words) - 13:54, 26 April 2025
  • of Mars. SEPM. Massé, M.; Bourgeois, O; Le Mouélic, S.; Verpoorter, C.; Le Deit, L. (March 2011). "Distribution and Origin of Polar Gypsum on Mars" (PDF)...
    122 KB (15,036 words) - 08:07, 4 May 2025
  •   Others: 1,198 craters (23.0%) This is a list of craters on Mars. Impact craters on Mars larger than 1 km (0.62 mi) exist by the hundreds of thousands...
    13 KB (761 words) - 06:06, 26 January 2025
  • Thumbnail for Axial tilt
    Axial tilt (redirect from Mars's spin axis)
    Axial parallelism Milankovitch cycles Polar motion Pole shift Rotation around a fixed axis True polar wander U.S. Naval Observatory Nautical Almanac...
    33 KB (3,110 words) - 18:07, 17 April 2025
  • Thumbnail for Composition of Mars
    The composition of Mars covers the branch of the geology of Mars that describes the make-up of the planet Mars. Mars is differentiated, which—for a terrestrial...
    90 KB (9,037 words) - 04:33, 26 March 2025
  • Thumbnail for Allan Hills 84001
    (SNC) group of meteorites, ALH84001 is thought to have originated on Mars. However, it does not fit into any of the previously discovered SNC groups...
    23 KB (2,320 words) - 22:46, 21 March 2025
  • Thumbnail for Mars Hand Lens Imager
    Mars Hand Lens Imager (MAHLI) is one of seventeen cameras on the Curiosity rover on the Mars Science Laboratory mission. The instrument is mounted on...
    4 KB (387 words) - 05:34, 18 August 2024
  • of films that are set on the planet Mars. In the late 19th century, people erroneously believed that there were canals on Mars. Into the early 20th century...
    21 KB (978 words) - 16:35, 10 May 2025
  • Thumbnail for Lagrange point
    Lagrange point (category Commons category link is on Wikidata)
    Lagrange co-orbitals, Helene at its L4 point and Polydeuces at L5. The moons wander azimuthally about the Lagrange points, with Polydeuces describing the largest...
    51 KB (5,817 words) - 03:43, 11 May 2025
  • Thumbnail for MarsDial
    MarsDial is a sundial that was devised for missions to Mars. It is used to calibrate the Pancam cameras of the Mars landers. MarsDials were placed on...
    5 KB (453 words) - 20:54, 11 March 2023
  • Thumbnail for Stickney (crater)
    Stickney (crater) (category Impact craters on Mars's moons)
    Stickney is the largest crater on Phobos, which is a satellite of Mars. It is 9 km (5.6 mi) in diameter, taking up a substantial proportion of the moon's...
    10 KB (965 words) - 09:33, 23 April 2025
  • Thumbnail for Hellas quadrangle
    Hellas quadrangle (category Mars)
    Mars. Tucson: University of Arizona Press. ISBN 0-8165-1257-4. S.J. Kadish, J.W. Head. 2011. Impacts into non-polar ice-rich paleodeposits on Mars: excess...
    74 KB (8,705 words) - 03:32, 13 April 2025