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Mars 4: Art & Science

Mars 4 (Russian: Марс-4), also known as 3MS No.52S was a Soviet spacecraft intended to explore Mars. A 3MS spacecraft launched as part of the Mars programme, it was intended to enter orbit around Mars in 1974. However, computer problems prevented orbital insertion from occurring.

Language: English [EN]
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Mars 4 topic overview

The analysis highlights Art and Science as prominent areas in the source structure around Mars 4.

Related topics
24
Source areas
4
Connected nodes
28
Extracted relationships
47
Concept neighborhoods
16
Bridge connections
28

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Spacecraft · 11 topics
Scientific Instruments · 8 topics
Overview · 3 topics
Launch · 2 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Aphelion altitude
1.63 AU
Closest approach
10 February 1974, 15:34 UTC
Contractor
Khrunichev
COSPAR ID
1973-047A
Distance
1,844 km (1,146 mi)
Inclination
2.2°

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Spacecraft

Launch

Scientific Instruments

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How Mars 4 connects Entity context

The extracted context around Mars 4 shows recurring relationship patterns in the source. For example, Mars 4 → As, Baikonur Cosmodrome Site, Blok, Earth, February, July, Mars, Proton-K, Shortly, The, Twelve, UTC Another extracted example is Mars 4 → Built, Earth, However, In, IR, Kosmos, Lavochkin, Mars, The Mars. Use these groups to spot repeated connection types before inspecting the individual relationships.

Mars 4

Top relations

related to Launch · 12
Mars 4 → As, Baikonur Cosmodrome Site, Blok, Earth, February, July, Mars, Proton-K, Shortly, The, Twelve, UTC
related to Spacecraft · 9
Mars 4 → Built, Earth, However, In, IR, Kosmos, Lavochkin, Mars, The Mars
related to Scientific Instruments · 6
Mars 4 → Atmospheric Radio-probing InstrumentRadio TelescopeInfrared, Electrostatic Analyzer, Mars, Radiation PhotometerGamma SpectrometerMagnetometerPlasma TrapsMultichannel, RadiometerSpectrophotometerNarrow-band PhotometerNarrow-band Interference-Polarization PhotometerImaging, SystemPhotometersTwo PolarimetersUltraviolet PhotometerScattered Solar
Aphelion altitude · 1
Mars 4 → 1.63 AU
Closest approach · 1
Mars 4 → 10 February 1974, 15:34 UTC
Contractor · 1
Mars 4 → Khrunichev
COSPAR ID · 1
Mars 4 → 1973-047A
Distance · 1
Mars 4 → 1,844 km (1,146 mi)
Inclination · 1
Mars 4 → 2.2°
Last contact · 1
Mars 4 → 10 February 1974, 15:38 UTC

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

mars spacecraft 3ms launch launched orbit also two 1973 intended soviet instruments 52s enter around 1974 however orbital mission program

Mars 4 relationships Subject–Predicate–Object triples

TTTA extracted 47 structured relationships around Mars 4. Examples in this analysis include Mars 4 → Aphelion altitude → 1.63 AU and Mars 4 → Closest approach → 10 February 1974, 15:34 UTC. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
Mars 4Aphelion altitude1.63 AU1.00infobox
Mars 4Closest approach10 February 1974, 15:34 UTC1.00infobox
Mars 4ContractorKhrunichev1.00infobox
Mars 4COSPAR ID1973-047A1.00infobox
Mars 4Distance1,844 km (1,146 mi)1.00infobox
Mars 4Inclination2.2°1.00infobox
Mars 4Last contact10 February 1974, 15:38 UTC1.00infobox
Mars 4Launch date21 July 1973, 19:30:59 (1973-07-21UTC19:30:59Z) UTC1.00infobox
Mars 4Launch mass3,440 kg (7,580 lb)1.00infobox
Mars 4Launch siteBaikonur 81/231.00infobox
Mars 4ManufacturerNPO Lavochkin1.00infobox
Mars 4Mission duration203 days, 20 hours and 7 minutes1.00infobox
Mars 4Mission typeMars orbiter1.00infobox
Mars 4OperatorSoviet space program1.00infobox
Mars 4Perihelion altitude1.02 AU1.00infobox
Mars 4Period556 days1.00infobox
Mars 4Reference systemHeliocentric1.00infobox
Mars 4RocketProton-K/D1.00infobox
Mars 4SATCAT no.67421.00infobox
Mars 4Spacecraft3MS No.52S1.00infobox

Related concept clusters Concept neighborhoods

The concept neighborhoods around Mars 4 bring nearby vocabulary together. In this analysis, examples include Spacecraft, Two and Launched. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Mars 4
    • Spacecraft
    • Two
    • Launched
    • Instruments
    • Orbit
    • Launch
    • Approach
    • Around
    • Baikonur
    • Closest
    • Enter
    • Heliocentric
  • mars 4
    • Spacecraft
    • Two
    • Launched
    • Instruments
    • Orbit
    • Launch
    • Approach
    • Around
    • Baikonur
    • Closest
    • Enter
    • Heliocentric
  • mars programme
    • Spacecraft
    • Two
    • Launched
    • Instruments
    • Orbit
    • Launch
    • Approach
    • Around
    • Baikonur
    • Closest
    • Enter
    • Heliocentric
  • mars 5
    • Spacecraft
    • Two
    • Launched
    • Instruments
    • Orbit
    • Launch
    • Approach
    • Around
    • Baikonur
    • Closest
    • Enter
    • Heliocentric
  • mars 6
    • Spacecraft
    • Two
    • Launched
    • Instruments
    • Orbit
    • Launch
    • Approach
    • Around
    • Baikonur
    • Closest
    • Enter
    • Heliocentric
  • mars 7
    • Spacecraft
    • Two
    • Launched
    • Instruments
    • Orbit
    • Launch
    • Approach
    • Around
    • Baikonur
    • Closest
    • Enter
    • Heliocentric
  • scientific instruments
    • Orbiter
    • Space
    • Instruments
    • Mission
    • Program
    • Scientific
    • System
    • Launch
    • Magnetometer
    • Orbital
    • Photometers
    • Polarimeters
  • launch
    • Heliocentric
    • Mission
    • Program
    • Spacecraft
    • Instruments
    • Orbit
    • Mars
    • Approach
    • Baikonur
    • Closest
    • Lavochkin
    • Orbiter

Connections between topic areas Semantic bridges

For Mars 4, one of the stronger structural bridges in this analysis connects Mars 4 with Spacecraft. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
Mars 4Spacecraft · splits 17 ⟂ 12
Mars 4Scientific Instruments · splits 20 ⟂ 9
Mars 4Overview · splits 25 ⟂ 4
Mars 4Launch · splits 26 ⟂ 3

Map overview Semantic statistics

Mars 4

Nodes29
Edges28
Triples47
Avg. degree1.93
Density0.068966
Components1

Source & methodology

TTTA analyzes the structure around Mars 4 to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Art & Science, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Mars 4 · EN edition · Analysis: TopicsToTalkAbout

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