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Viking program

The Viking program consisted of a pair of identical American space probes, Viking 1 and Viking 2 both launched in 1975, and landed on Mars in 1976. The mission effort began in 1968 and was managed by the NASA Langley Research Center. Each spacecraft was composed of two main parts: an orbiter spacecraft which photographed the surface of Mars from orbit…

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Applications
Mars orbiter/lander
Built
2
Country of origin
United States
Design life
Orbiters: 4 years at Mars Landers: 4–6 years at Mars
Last launch
Viking 2 September 9, 1975
Launch mass
3,527 kilograms (7,776 lb)

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Overview

Science objectives

Viking orbiters

Propulsion

Power

Viking landers

Control systems

Financial cost of the Viking program

Mission end

Message artifact

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Map overview Semantic statistics

Viking program

Nodes153
Edges152
Triples23
Avg. degree1.99
Density0.013072
Components1

How this topic connects Entity context

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Viking program

Top relations

related to Mission end · 9
Viking program → August, December, Impact, Mars, Mars Reconnaissance Orbiter, May, The Viking, To, Viking
Applications · 1
Viking program → Mars orbiter/lander
Built · 1
Viking program → 2
Country of origin · 1
Viking program → United States
Design life · 1
Viking program → Orbiters: 4 years at Mars Landers: 4–6 years at Mars
Last launch · 1
Viking program → Viking 2 September 9, 1975
Launch mass · 1
Viking program → 3,527 kilograms (7,776 lb)
Launched · 1
Viking program → 2
Maiden launch · 1
Viking program → Viking 1 August 20, 1975
Manufacturer · 1
Viking program → Jet Propulsion Laboratory / Martin Marietta

Important terminology Word statistics

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Important terminology

mars viking lander two orbiter landing surface mass also orbiters landers mission program orbit power nasa martian descent one base

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Viking programApplicationsMars orbiter/lander1.00infobox
Viking programBuilt21.00infobox
Viking programCountry of originUnited States1.00infobox
Viking programDesign lifeOrbiters: 4 years at Mars Landers: 4–6 years at Mars1.00infobox
Viking programLast launchViking 2 September 9, 19751.00infobox
Viking programLaunch mass3,527 kilograms (7,776 lb)1.00infobox
Viking programLaunched21.00infobox
Viking programMaiden launchViking 1 August 20, 19751.00infobox
Viking programManufacturerJet Propulsion Laboratory / Martin Marietta1.00infobox
Viking programOperatorNASA / JPL1.00infobox
Viking programPowerOrbiters: 620 watts (solar array) Lander: 70 watts (two RTG units)1.00infobox
Viking programRegimeAreocentric1.00infobox
Viking programRetiredViking 1 orbiter August 17, 1980 Viking 1 lander July 20, 1976 (landing) to November 13, 1982 Viking 2 orbiter July 25, 1978 Viking 2 lander September 3, 1976 (landing) to April…1.00infobox
Viking programStatusRetired1.00infobox

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