Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

Apollo 15: Members & Science

Apollo 15 (July 26 – August 7, 1971) was the ninth crewed mission in the Apollo program and the fourth Moon landing. It was the first J mission, with a longer stay on the Moon and a greater focus on science than earlier landings. Apollo 15 saw the first use of the Lunar Roving Vehicle.

Language: English [EN]
Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.
100%
More settings
100% 100% 100% 100% 100%

Apollo 15 topic overview

The analysis highlights Members and Science as prominent areas in the source structure around Apollo 15.

Related topics
171
Source areas
11
Connected nodes
182
Extracted relationships
412
Concept neighborhoods
51
Bridge connections
182

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.

Overview · 45 topics
Crew and key Mission Control personnel · 30 topics
Hardware · 30 topics
Mission highlights · 20 topics
Planning and training · 18 topics
Controversies · 9 topics
Background · 8 topics
Mission insignia · 7 topics
Gallery · 2 topics
Assessment · 1 topics
Visibility from space · 1 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.

Aposelene altitude
120.8 km (65.2 nmi; 75.0 mi)
Callsign
CSM: Endeavour · LM: Falcon
COSPAR ID
CSM: 1971-063A · LM: 1971-063C
Crew size
3
Distance driven
27.9 km (15.1 nmi; 17.3 mi)
Docking date
July 26, 1971, 17:07:49 UTC · August 2, 1971, 19:10:25 UTC

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

Background

Crew and key Mission Control personnel

Planning and training

Hardware

Mission highlights

Assessment

Controversies

Mission insignia

Visibility from space

Gallery

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 Apollo 15 connects Entity context

The extracted context around Apollo 15 shows recurring relationship patterns in the source. For example, Apollo 15 → Air Force, All, Allen, Apollo, Both Worden, Brand, By, Gemini, Gordon Jr, Harrison, He, Henize, Irwin, Jackson, Joe Engle, Joseph, Karl, LMP, Lunar Module, Michigan Another extracted example is Apollo 15 → Already, Apollo, April, Australia, Caltech, CMP, David West Reynolds, Fred Haise, Geologist Farouk El-Baz, Haise, Honeysuckle Creek Tracking Station, Irwin, Jim Lovell, Ken Mattingly, Lee Silver, LMP, Lovell, LRV, Lunar Module, Lunar Roving Vehicle. Use these groups to spot repeated connection types before inspecting the individual relationships.

Apollo 15

Top relations

related to Crew · 44
Apollo 15 → Air Force, All, Allen, Apollo, Both Worden, Brand, By, Gemini, Gordon Jr, Harrison, He, Henize, Irwin, Jackson, Joe Engle, Joseph, Karl, LMP, Lunar Module, Michigan
related to Planning and training · 31
Apollo 15 → Already, Apollo, April, Australia, Caltech, CMP, David West Reynolds, Fred Haise, Geologist Farouk El-Baz, Haise, Honeysuckle Creek Tracking Station, Irwin, Jim Lovell, Ken Mattingly, Lee Silver, LMP, Lovell, LRV, Lunar Module, Lunar Roving Vehicle
related to Still images · 30
Apollo 15 → Apollo, August, CAPCOM Joe Allen, David Scott, Dayton, Dick Gordon, EVA, EVAMission Control, Falcon, Falcon's, Hadley RilleScott, Houston, Mission Control, Module Endeavour, Moon, MoonAlfred Worden, National Air, National Museum, Note, OhioThe
related to Lunar orbit and landing · 27
Apollo 15 → After, Apollo, As, CSM, DOI, Endeavour, Falcon, Hadley, Houston, Irwin, July, Lunar Module, Mission Control, Moon, On Apollo, Overnight, RCS, Scott, SPS, The
related to Lunar Roving Vehicle · 25
Apollo 15 → Although, An, Apollo, Arizona, As, Boeing, Delivered, During, Each, Earth, Falcon, July, LRV, Man's First Wheels, May, MOLAB, Moon, NASA, NASA's, Still
related to Mission insignia · 25
Apollo 15 → Air Force, Apollo, Arabic, Chevrolet Corvettes, Chevrolets, Command Module Pilot, Emilio Pucci, Florida, Hadley Rille, Immediately, Irwin, June, KSC, Life, LRV, NASA, Navy, Project Mercury, Roman, Scott
related to Spacecraft · 25
Apollo 15 → Academy, Air Force, Also, Apollo, As, Cook's, CSM-112, Earth, Endeavour, Falcon, HMS Endeavour, James Cook, Kennedy Space Center, Launch Escape System, Lunar Module LM-10, Mechanical, Moon, NASA, Scott, SIM
related to External links · 22
Apollo 15 → Apollo, Apollo Launch Facilities, AstrotalkUK2016, August, History, In, Internet Archive2011, Lunar, Lunar Photomap, Manned Spacecraft CenterApollo, Medium, Moon, Mountains, NASA, NASA1972 NASA, NASAPart, Operations, Planetary Institute1975, Preliminary Science Report Archived, Traverses
related to Launch vehicle · 21
Apollo 15 → Apollo, As, Changes, During, Earth, It, July, June, Launch Complex, Launch Umbilical Tower, LUT, Once, S-IC, S-II, SA-510, Saturn, The, The Saturn, There, These
related to Launch and outbound trip · 19
Apollo 15 → Apollo, At, August, Before TLI, Earth, EDT, Florida, Hadley Rille, Houston, July, Kennedy Space Center, Merritt Island, Moon, Pad, S-IVB, Slayton, The, There, TLI

Important terminology

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

Important terminology

apollo lunar scott mission moon 15 worden landing astronauts crew module would surface irwin first space orbit hadley time nasa

Apollo 15 relationships Subject–Predicate–Object triples

TTTA extracted 412 structured relationships around Apollo 15. Examples in this analysis include Apollo 15 → Aposelene altitude → 120.8 km (65.2 nmi; 75.0 mi) and Apollo 15 → Callsign → CSM: Endeavour. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
Apollo 15Aposelene altitude120.8 km (65.2 nmi; 75.0 mi)1.00infobox
Apollo 15CallsignCSM: Endeavour1.00infobox
Apollo 15CallsignLM: Falcon1.00infobox
Apollo 15COSPAR IDCSM: 1971-063A1.00infobox
Apollo 15COSPAR IDLM: 1971-063C1.00infobox
Apollo 15Crew size31.00infobox
Apollo 15Distance driven27.9 km (15.1 nmi; 17.3 mi)1.00infobox
Apollo 15Docking dateJuly 26, 1971, 17:07:49 UTC1.00infobox
Apollo 15Docking dateAugust 2, 1971, 19:10:25 UTC1.00infobox
Apollo 15EpochJuly 30, 19711.00infobox
Apollo 15EVA duration39 minutes, 7 seconds Spacewalk to retrieve film cassettes1.00infobox
Apollo 15EVA duration19 hours, 7 minutes, 53 seconds1.00infobox
Apollo 15EVA durationStandup: 33 minutes, 7 seconds1.00infobox
Apollo 15EVA durationFirst: 6 hours, 32 minutes, 42 seconds1.00infobox
Apollo 15EVA durationSecond: 7 hours, 12 minutes, 14 seconds1.00infobox
Apollo 15EVA durationThird: 4 hours, 49 minutes, 50 seconds1.00infobox
Apollo 15EVAs1 in cislunar space and 4 on the lunar surface1.00infobox
Apollo 15Inclination23°1.00infobox
Apollo 15Landing dateAugust 7, 1971, 20:45:53 (1971-08-07UTC20:45:54Z) UTC1.00infobox
Apollo 15Landing dateJuly 30, 1971, 22:16:29 UTC1.00infobox
Apollo 15Landing mass5,321 kg (11,731 lb)1.00infobox
Apollo 15Landing siteNorth Pacific Ocean .mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-parser-output .geo-nondefault,.mw-parser-output .geo-…1.00infobox
Apollo 15Landing siteHadley–Apennine 26°07′56″N 3°38′02″E / 26.1322°N 3.6339°E / 26.1322; 3.63391.00infobox
Apollo 15Launch dateJuly 26, 1971, 13:34:00 (1971-07-26UTC13:34Z) UTC1.00infobox
Apollo 15Launch mass48,599 kg (107,142 lb)1.00infobox
Apollo 15Launch siteKennedy, LC-39A1.00infobox
Apollo 15ManufacturerCSM: North American Rockwell1.00infobox
Apollo 15ManufacturerLM: Grumman1.00infobox
Apollo 15MassPFS-1: 35.6 kg (78.5 lb)1.00infobox
Apollo 15MassLRV: 210 kg (463 lb)1.00infobox

Related concept clusters Concept neighborhoods

The concept neighborhoods around Apollo 15 bring nearby vocabulary together. In this analysis, examples include Mission, Lunar and Moon. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Apollo 15
    • Mission
    • Lunar
    • Moon
    • Landing
    • Orbit
    • Missions
    • Module
    • Space
    • Spacecraft
    • Would
    • Crew
    • First
  • apollo 15
    • Mission
    • Lunar
    • Moon
    • Landing
    • Orbit
    • Missions
    • Module
    • Space
    • Spacecraft
    • Would
    • Crew
    • First
  • apollo program
    • Mission
    • Lunar
    • Moon
    • Landing
    • Orbit
    • Missions
    • Module
    • Space
    • Spacecraft
    • Would
    • Crew
    • First
  • moon landing
    • Site
    • Hadley
    • Lunar
    • Falcon
    • Irwin
    • Orbit
    • Crew
    • Spacecraft
    • Made
    • Nasa
    • Missions
    • Scott
  • moon
    • Falcon
    • Orbit
    • Spacecraft
    • Nasa
    • Scott
    • Worden
    • Time
    • Surface
    • Crew
    • Space
    • Service
    • Csm
  • lunar roving vehicle
    • Surface
    • Module
    • Orbit
    • Scott
    • Moon
    • Falcon
    • Could
    • Mission
    • Would
    • Vehicle
    • Command
    • Irwin
  • lunar module pilot
    • Command
    • Service
    • Surface
    • Module
    • Orbit
    • Scott
    • Csm
    • Space
    • Moon
    • Falcon
    • Irwin
    • Mission
  • james irwin
    • Scott
    • Eva
    • Landing
    • Module
    • Spacecraft
    • Surface
    • Command
    • Lunar
    • Worden
    • Would
    • Falcon
    • Time

Connections between topic areas Semantic bridges

For Apollo 15, one of the stronger structural bridges in this analysis connects Apollo 15 with Overview. 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
Apollo 15 — Overview · splits 137 ⟂ 46
Apollo 15 — Crew and key Mission Control personnel · splits 152 ⟂ 31
Apollo 15 — Hardware · splits 152 ⟂ 31
Apollo 15 — Mission highlights · splits 162 ⟂ 21
Apollo 15 — Planning and training · splits 164 ⟂ 19
Apollo 15 — Controversies · splits 173 ⟂ 10
Apollo 15 — Background · splits 174 ⟂ 9
Apollo 15 — Mission insignia · splits 175 ⟂ 8
Apollo 15 — Gallery · splits 180 ⟂ 3

Map overview Semantic statistics

Apollo 15

Nodes183
Edges182
Triples412
Avg. degree1.99
Density0.010929
Components1

Source & methodology

TTTA analyzes the structure around Apollo 15 to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Members & Science, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Apollo 15 · EN edition · Analysis: TopicsToTalkAbout

For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.