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Shorty is a feature on Earth's Moon, an impact crater in the Taurus–Littrow valley. [2] Astronauts Eugene Cernan and Harrison Schmitt visited it in 1972, on the Apollo 17 mission. [2] [3] It is the location of the famous "orange soil", which geologists believe to be small bits of rapidly-cooled molten rock ejected in a lava fountain. [2]
Barchan dunes are present in Green crater and visible in pictures below. When there are perfect conditions for producing sand dunes, steady wind in one direction and just enough sand, a barchan sand dune forms. Barchans have a gentle slope on the wind side and a much steeper slope on the lee side where horns or a notch often forms. [3]
The dust in Gusev Crater is the same as dust all around the planet. All the dust was found to be magnetic. Moreover, Spirit found the magnetism was caused by the mineral magnetite, especially magnetite that contained the element titanium. One magnet was able to completely divert all dust hence all Martian dust is thought to be magnetic. [12]
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] Since then, over 1,200 new impact craters have been found on Mars with 2001 Mars Odyssey, Mars Express, and Mars Reconnaissance Orbiter, over 1,100 of which were found by the last. [2]
If the team can determine the site is a crater formed by an ancient impact event, then the next step is researching just when it happened. Of the world’s roughly 200 impact craters, 31 are ...
Green is a lunar impact crater on the Moon's far side. It was named after British mathematician and physicist George Green in 1970. [1] Prior to that, it was designated Crater 216. [2] It lies just to the west of the huge walled plain Mendeleev, and is nearly joined with the west-northwestern edge of the crater Hartmann.