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Viking I & II

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yedid rabanales

on 24 October 2014

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Transcript of Viking I & II

Viking I & II
The Viking I was launched on August 20th,1975. Viking II was launched on september 9th, 1975.
Viking I was an orbiter, while Viking II was a lander.
They were designed to image the entire planet, conducts atmosphere water vapor measurements & infrared thermal mapping.
The budget for the mission was $2 Billion dollars.
The type of rockets used were Titan IIE-Centaur (TC-4/Titan no. E-4/Centaur D-1T)
Intruments & technology used:

Imaging system
atmospheric water detector
infrared thermal mapper.
imaging system
gas chromatograph mass spectrometer
x-ray fluorescence
biological laboratory
weather instrument package(temp, pressure & wind velocity)
remote sampler arm
retarding potential analyzer
upper-atmosphere mass spectrometer
Viking I was the first successful mission to land on Mars (the SovietMars 3 lander survived for a few seconds after landing in 1971, but sent back no science data). The Viking I lander operated on Chryse Planitia until November 1982. The four Viking spacecraft provided numerous new insights into the nature and history of Mars, producing a vivvid overall picture of a cold weathered surface with reddish volcanic soil under a thin, dry carbon dioxide atmosphere, clear evidence for the existence of ancient river beds and vast floods, and no detectable seismic activity.
Although no traces of life were found, Viking found all elements essential to life on Earth-- carbon, nitrogen, hydrogen, oxygen, and phosphorus-- were present on Mars.
NASA Official: Dr.Ed Grayzeck Curator: E. Bell, II Version 4.0.20,26 August 2014
Howell, Elizabeth. "Viking 1: First U.S. Lander On MArs." Space.com, 26 Oct.2012. Web.15 Oct. 2014.
"viking 1 & 2 - Mars Exploration Program." Viking 1 & 2- Mars Exploration Program. N.p.,n.d. Web.16 Oct. 2014.
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