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Named April 11th, 2015
Badwater Crater Named April 11th, 2015

Badwater Crater is an impact crater located in Hellas Planitia and is situated within the low lying Plain of Peneus Palus on the southern hemisphere of Mars. It contains the lowest currently known point on the entire Planet, with an elevation of approximately -8201 meters at 32.848° S, 62.207° E.[1] Badwater has a diameter of approximately 33.14 kilometers (20.59 miles).[2]

Badwater is a particularly interesting geological feature on Mars, not only because of its depth but also because it may be one of the only places on the entire planet where seasonal flows[3][4] of possible liquid water[5] solutions of brine[6][7] can exist near or potentially on its surface without being immediately vaporised. This has been observed as various dark streaks of what seems to be some type of hydrated salts[8] discovered by the Mars Reconnaissance Orbiter and the HiRISE camera onboard the MRO from NASA[9][10]

This could be potentially explained by the warmer months of the year in Mars's orbit on its equatorial plane[11] being heated from the melting of the frozen carbon dioxide on its polar ice caps[12]. This allows the atmosphere to temporarily become thicker than its average 610 pascals (0.088 psi) to a much greater atmospheric pressure of 1250 pascals (0.181 psi) due to the atmosphere of mars stacking upon itself from the immense depth of the hellas impact basin.[13] This leads to an atmospheric pressure of approximately 1.5% that of the Earth.[14][15]

Name[edit]

Badwater Crater is named after the City of Badwater, California in Badwater Basin, the lowest point in North America. The name for the crater was officially adopted by the IAU on the 11th of April 2015.[2][16]

The name for the crater was specifically chosen since many areas in the City of Badwater, California, especially Badwater basin are incredibly salty with liquid water being more of an undrinkable brine not great for consumption. The same natural occurrence happens on Mars as its only remaining water content in this crater is incredibly high in its salt content therefore the IAU accepted the name as it suits its particular similarities with the crater.[17][18]

References[edit]

  1. ^ Mars Quickmap: Badwater
  2. ^ a b "Planetary Names". planetarynames.wr.usgs.gov.
  3. ^ "The Case of the Missing Mars Water". web.archive.org. 2009-03-27. Retrieved 2024-07-05.
  4. ^ published, Charles Q. Choi (2010-06-22). "Flashback: Water on Mars Announced 10 Years Ago". Space.com. Retrieved 2024-07-05.
  5. ^ "NASA Finds Possible Signs of Flowing Water on Mars". Voice of America. 2011-08-03. Retrieved 2024-07-05.
  6. ^ "Seasonal flows on warm Martian slopes", Wikipedia, 2024-01-01, retrieved 2024-07-05
  7. ^ https://www.jpl.nasa.gov. "NASA Mars Spacecraft Reveals a More Dynamic Red Planet". NASA Jet Propulsion Laboratory (JPL). Retrieved 2024-07-05. {{cite web}}: External link in |last= (help)
  8. ^ Ojha, Lujendra; Wilhelm, Mary Beth; Murchie, Scott L.; McEwen, Alfred S.; Wray, James J.; Hanley, Jennifer; Massé, Marion; Chojnacki, Matt (2015-11-01). "Spectral evidence for hydrated salts in recurring slope lineae on Mars". Nature Geoscience. 8: 829–832. doi:10.1038/ngeo2546.
  9. ^ "Nasa Find Potential Signs Of Flowing Water On Mars". HuffPost UK. 2011-08-04. Retrieved 2024-07-05.
  10. ^ published, Leonard David (2015-09-23). "Mars' Mysterious Dark Streaks Spur Exploration Debate". Space.com. Retrieved 2024-07-05.
  11. ^ Wilson, Jack T.; Eke, Vincent R.; Massey, Richard J.; Elphic, Richard C.; Feldman, William C.; Maurice, Sylvestre; Teodoro, Luis F. A. (January 2018). "Equatorial locations of water on Mars: Improved resolution maps based on Mars Odyssey Neutron Spectrometer data". Icarus. 299: 148–160. doi:10.1016/j.icarus.2017.07.028.
  12. ^ Hess, S. L.; Henry, R. M.; Tillman, J. E. (1979-06-01). "The seasonal variation of atmospheric pressure on Mars as affected by the south polar cap". Journal of Geophysical Research. 84: 2923–2927. doi:10.1029/JB084iB06p02923. ISSN 0148-0227.
  13. ^ "Extremophiles". Marspedia. Retrieved 2024-07-05.
  14. ^ Franz, Heather B.; Trainer, Melissa G.; Malespin, Charles A.; Mahaffy, Paul R.; Atreya, Sushil K.; Becker, Richard H.; Benna, Mehdi; Conrad, Pamela G.; Eigenbrode, Jennifer L.; Freissinet, Caroline; Manning, Heidi L. K.; Prats, Benito D.; Raaen, Eric; Wong, Michael H. (2017-04-01). "Initial SAM calibration gas experiments on Mars: Quadrupole mass spectrometer results and implications". Planetary and Space Science. 138: 44–54. doi:10.1016/j.pss.2017.01.014. ISSN 0032-0633.
  15. ^ Haberle, R. M. (2015-01-01), North, Gerald R.; Pyle, John; Zhang, Fuqing (eds.), "SOLAR SYSTEM/SUN, ATMOSPHERES, EVOLUTION OF ATMOSPHERES | Planetary Atmospheres: Mars", Encyclopedia of Atmospheric Sciences (Second Edition), Oxford: Academic Press, pp. 168–177, ISBN 978-0-12-382225-3, retrieved 2024-07-05
  16. ^ "Astrogeology". USGS. Retrieved 4 February 2024.
  17. ^ "Three newly named Mars features | Red Planet Report".
  18. ^ Bernhardt, H.; Reiss, D.; Hiesinger, H.; Ivanov, M. A. (April 2016). "The honeycomb terrain on the Hellas basin floor, Mars: A case for salt or ice diapirism". Journal of Geophysical Research: Planets. 121 (4): 714–738. Bibcode:2016JGRE..121..714B. doi:10.1002/2016JE005007. ISSN 2169-9097.
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