FACTOID # 60: Japan's water has a very high dissolved oxygen concentration - but not enough to prevent drowning in the bath.
 
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Encyclopedia > Lunar Roving Vehicle
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Lunar Rover-Manned land vehicle (NASA)

The Lunar Rover was a manned land vehicle for transport on the Moon. It was transported in the Apollo Lunar Module, which was part of the Apollo spacecraft.


It was used for greater surface mobility during the Apollo program J-class missions: (Apollo 15, Apollo 16, and Apollo 17). The rover was first used on July 31, 1971 during the Apollo 15 mission. This greatly expanded the range of the lunar explorers. Previous teams of astronauts were restricted to short walking distances around the landing site due to the bulky spacesuit equipment required to sustain life in the harsh lunar environment. The rovers have a top speed of about 8 mph (12.9 km/h).


They have been abandoned and thus belong to the artificial objects currently on the Moon; even if they could have been carried, given the weight restraints at lift-off, taking Moon samples to Earth was more important, of course.


The Soviet Union also landed unmanned rovers on the Moon, named Lunokhod 1 and Lunokhod 2.


See also: Manned space missions, Unmanned space missions


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Lunar Rover diagram. (NASA)

  Results from FactBites:
 
Apollo LRV (5214 words)
The Apollo Lunar Roving Vehicle was one of those sweet pieces of hardware that NASA and its contractors seemed to be able to develop so effortlessly during the short maturity of the Apollo programme.
The maximum distance the LRV was permitted to range from the lunar module was approximately 9.7 kilometres (six miles), the distance the crew could safely walk to the LM in the unlikely event of a total LRV failure.
An ultraviolet spectrometer measured lunar atmospheric density and composition; an infrared radiometer mapped the thermal characteristics of the moon; and a lunar sounder acquired data on the subsurface structure.
Apollo 15 Mission Report Chapter 9 (11090 words)
Lunar roving vehicle.- The major hardware innovation for the lunar exploration phase of the Apollo 15 mission was the lunar roving vehicle (fig.
The vehicle was statically stable on any slopes encountered and the only problem associated with steep slopes was the tendency of the vehicle to slide downslope when both crewmen were off the vehicle.
Handling characteristics of the actual lunar roving vehicle were similar to those of the 1-g trainer with two exceptions: braking requires approximately twice the distance, and steering is not responsive in the 8- to 10-kilometer (4- to 5 1/2-mile) per hour range with hardover control inputs.
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