Viking 1 lands on Mars site Chryse studied in orbit
Photos from Viking 1’s July 4 landing site at Chryse near a large valley were streamed to JPL. Geologists will use a six minute mosaic to assess surface composition hazards and water history while infrared data probe thermal properties and atmospheric moisture.
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Pasadena
Calif
Viking 1
Space
Jet Propulsion Laboratory
Viking
Earth
Harold Masursky
Viking Orbiter
U.S. Geological Survey
Chryse
Mars
Soviets launch space laboratory Salyut 5
Tass announced the launch of Salyut 5 to conduct scientific and technical studies and improve station systems. The orbiting lab was functioning normally, circling Earth every 89 minutes. Western experts predicted crewed use eventual, noting Salyut 4’s prior manned missions and ongoing orbital activity.
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Moscow
Tass
Viking 1 Enters Mars Orbit In Precise Passes
In Pasadena scientists described the orbit insertion as hitting a moving target with the basket on a moving bus. Viking 1’s Mars orbit period was set at 24.660 hours and actual timing differed by 3.6 seconds. The closest approach altitude was 1,514 kilometers.
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Pasadena
Calif
Los Angeles
New York City
Mars
Viking
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