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Mount Sunflower was designated as Kansas’s highest point by the United States Geological Survey in 1961. In the late 1970s Ed Harold decided to commemorate this site, homesteaded by his grandparents in 1906. The most famous attraction at the site is the sunflower sculpture made from railroad spikes that are welded together. [citation needed]
Orbital measurements showed that this dust storm reduced the average temperature of the surface and raised the temperature of the atmosphere of Mars by 30 K. [31] The low density of the Martian atmosphere means that winds of 18 to 22 m/s (65 to 79 km/h) are needed to lift dust from the surface, but since Mars is so dry, the dust can stay in the ...
The crater's depth of 7,152 m (23,465 ft) [1] below the topographic datum of Mars explains the atmospheric pressure at the bottom: 12.4 mbar (1240 Pa or 0.18 psi) during winter, when the air is coldest and reaches its highest density.
Christopher C. Burt, a weather historian writing for Weather Underground, believes that the 1913 Death Valley reading is "a myth", and is at least 2.2 or 2.8 °C (4 or 5 °F) too high. [13] Burt proposes that the highest reliably recorded temperature on Earth could still be at Death Valley, but is instead 54.0 °C (129.2 °F) recorded on 30 ...
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 [as of?] known point on the entire planet, with an elevation of approximately −8,200 metres (−26,900 ft) [2] at 32.79° S, 62.14° E. [1] Badwater has a diameter of approximately 33.14 kilometres (20.59 ...
The difference between Mars's highest and lowest points is nearly 30 km (from the top of Olympus Mons at an altitude of 21.2 km to Badwater Crater at the bottom of the Hellas impact basin at an altitude of 8.2 km below the datum).
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Listed mons elevation is the highest point (at 16 pixels/degree) within the feature. Listed patera elevation is the average elevation of the shallow dish-shaped depression (the actual 'patera') at the summit.