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It was the largest recorded ocean wave ever to strike the United States West Coast, and Harrington's report that that wave crested at the height of the lantern and that it buried the area between the lighthouse and the bluff in water which rose to the lighthouse's balcony suggests a possible wave height of 200 feet (61 m). [13]
At more than 4,000 km (2,500 mi) long, 200 km (120 mi) wide and up to 7 km (23,000 ft) deep, [3] [4] Valles Marineris is the largest canyon in the Solar System. [5] Valles Marineris is located along the equator of Mars, on the east side of the Tharsis Bulge, and stretches for
The largest, Kasei Vallis, is around 3,500 km (2,200 mi) long, greater than 400 km (250 mi) wide and exceeds 2.5 km (1.6 mi) in depth cut into the surrounding plains. The outflow channels contrast with the Martian channel features known as " valley networks ", which much more closely resemble the dendritic planform more typical of terrestrial ...
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As on Earth, there is a second form of precession: the point of perihelion in Mars's orbit changes slowly, causing the anomalistic year to differ from the sidereal year. However, on Mars, this cycle is 43,000 Martian years (81,000 Earth years) rather than 112,000 years as on Earth.
The Mars Global Surveyor, active from 1997 to 2006, was the first spacecraft able to image Mars in high enough resolution to detect new impacts, with a resolution of up to 1.5 meters (4.9 ft). The first detected impact, a 14.4-meter (47 ft)-diameter crater in southern Lucus Planum , happened between 27 January 2000, and 19 March 2001. [ 2 ]
Garrett "GMAC" McNamara (born August 10, 1967) is an American professional big wave surfer best known for setting the world record for largest wave ever surfed, as documented in the HBO series 100 Foot Wave.
On May 4, 2022, NASA's InSight lander detected the largest quake yet recorded on Mars, one with a 4.7 magnitude - fairly modest by Earth standards but strong for our planetary neighbor. Given Mars ...