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Latest revision as of 19:21, 7 February 2015
On the Mare
Image Credit: Phillip Stooke |
On the Mare Surveyor 1 landed in Oceanus Procellarum on 2 June 1966, near the crater Flamsteed. A 100 km wide 'ghost' crater, Flamsteed P, surrounds the landing site, consisting of a ring of hills which are probably just the peaks of an old crater rim, mostly flooded by mare basalts. Several of these peaks protrude slightly above the horizon north of the spacecraft, and can be seen on the left. The sun is nearly setting in the west, casting a long shadow to the east. This was the first landing by a United States spacecraft, and only the second successful landing on the Moon (the Soviet Union's Luna 9 had landed four months earlier). It is not well known that Surveyor 1 carried a descent imaging camera on one of its legs to photograph the landing site from above in an attempt to help locate the lander. Mission controllers decided not to use it because the very limited transmission bandwidth during descent would not support imaging as well as the other engineering data they were more interested in. Surveyor 2 also carried a descent imager, but it failed before arriving at the Moon. Later Surveyors did not include this camera. Technical Details: Related Links: Yesterday's LPOD: Magic on the Mare Tomorrow's LPOD: Lunie |
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