how did astronauts navigate the Lunar Roving auto (LRV) over the surface ar of the Moon? (3 answers)
I review that the astronauts who offered Lunar rovers provided heading indicators, which typically use compasses, because that direction. How, ~ above the Moon, did their equipment tell the direction that travel, presuming a compass do for earth would not work on the Moon?



The Lunar Roving vehicle did have actually a (form of) compass. It to be gyroscopic rather than magnetic, hence it required calibration when first powered up making use of the sun angle as a reference. It"s in the top left the the console here:


According to Wikipedia:

Navigation was based on continuously recording direction and distance through use that a directional gyro and odometer and feeding this data to a computer that would save track of the in its entirety direction and distance ago to the LM. There was additionally a Sun-shadow device that can give a hands-on heading based upon the direction of the Sun, using the reality that the sunlight moved an extremely slowly in the sky.

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I assumed the "bearing" display screen in the center of the compass is the direction to travel earlier to the LM. Sun-shadow navigation was helped by the reality that the sunlight was low in the East throughout all the lunar EVAs.

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edited Jul 31 "19 at 21:29
answer Jul 30 "19 in ~ 14:47

Russell BorogoveRussell Borogove
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The rovers used a gyroscope-based navigating system.

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The Lunar Roving car (LRV) navigating system is composed of a directional gyro, a set of incremental odometers, and also a hybrid analog-digital signal processor plus ideal controls and also readouts.


Info indigenous Lunar Roving automobile Navigation system Performance Review, (NASA Tech note D-7469)

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edited Jul 30 "19 in ~ 19:28

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reply Jul 30 "19 at 14:50

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