[ { "front": "When did Apollo 11 launch?", "back": "16 July 1969, 13:32 UTC, from Launch Complex 39A at Kennedy Space Center, Florida.", "source": "Apollo 11 press kit · Mission Profile", "tags": ["mission", "launch"], "subdeck": "Apollo 11::Mission Timeline" }, { "front": "Who were the three Apollo 11 crew members and their roles?", "back": "Neil A. Armstrong (Commander), Michael Collins (Command Module Pilot), Edwin E. \"Buzz\" Aldrin Jr. (Lunar Module Pilot).", "source": "Apollo 11 press kit · Crew", "tags": ["crew"], "subdeck": "Apollo 11::Crew & Spacecraft" }, { "front": "What were the call signs of the Apollo 11 Command Module and Lunar Module?", "back": "Command Module: \"Columbia\". Lunar Module: \"Eagle\".", "source": "Apollo 11 press kit · Spacecraft", "tags": ["spacecraft", "crew"], "subdeck": "Apollo 11::Crew & Spacecraft" }, { "front": "What launch vehicle put Apollo 11 on its translunar trajectory?", "back": "A three-stage Saturn V (SA-506). Stage S-IVB performed the Translunar Injection (TLI) burn from low Earth orbit.", "source": "Apollo 11 press kit · Launch Vehicle", "tags": ["launch", "saturn-v"], "subdeck": "Apollo 11::Crew & Spacecraft" }, { "front": "Date and UTC time of the first crewed lunar landing?", "back": "20 July 1969, 20:17 UTC — touchdown of LM Eagle in Mare Tranquillitatis (Sea of Tranquility).", "source": "Apollo 11 press kit · Lunar Landing", "tags": ["mission", "landing"], "subdeck": "Apollo 11::Mission Timeline" }, { "front": "What was Neil Armstrong's first sentence after stepping onto the lunar surface?", "back": "\"That's one small step for [a] man, one giant leap for mankind.\" Spoken 21 July 1969, 02:56 UTC.", "source": "Apollo 11 press kit · EVA Highlights", "tags": ["eva", "quotes"], "subdeck": "Apollo 11::EVA & Science" }, { "front": "How long did the Apollo 11 lunar surface EVA last?", "back": "About 2 hours 31 minutes — a single EVA by both Armstrong and Aldrin together.", "source": "Apollo 11 press kit · EVA Timeline", "tags": ["eva"], "subdeck": "Apollo 11::EVA & Science" }, { "front": "What was the mass of lunar samples returned by Apollo 11?", "back": "About 21.5 kg (47.5 lb) of rock and regolith — the first samples returned from another world.", "source": "Apollo 11 press kit · Lunar Samples", "tags": ["science", "samples"], "subdeck": "Apollo 11::EVA & Science" }, { "front": "Name two science experiments left on the Moon by Apollo 11's EASEP package.", "back": "(1) PSEP — a passive seismometer detecting moonquakes. (2) LRRR — a laser retroreflector array, still used today for Earth-Moon distance measurements.", "source": "Apollo 11 press kit · EASEP", "tags": ["science", "experiments"], "subdeck": "Apollo 11::EVA & Science" }, { "front": "What does the LRRR enable scientists to measure decades after Apollo 11?", "back": "Earth-Moon distance to centimeter accuracy via laser ranging — the Moon recedes ~3.8 cm per year.", "source": "Apollo 11 press kit · LRRR", "tags": ["science", "experiments"], "subdeck": "Apollo 11::EVA & Science" }, { "front": "When and where did Apollo 11 splash down?", "back": "24 July 1969, 16:50 UTC, in the North Pacific Ocean ~ 380 km southwest of Wake Island. Recovery ship: USS Hornet.", "source": "Apollo 11 press kit · Recovery", "tags": ["mission", "recovery"], "subdeck": "Apollo 11::Mission Timeline" }, { "front": "Total mission duration of Apollo 11 from launch to splashdown?", "back": "Approximately 8 days 3 hours 18 minutes.", "source": "Apollo 11 press kit · Mission Duration", "tags": ["mission"], "subdeck": "Apollo 11::Mission Timeline" }, { "front": "The Apollo 11 Saturn V launched at {{c1::13:32 UTC}} on {{c2::16 July 1969}}.", "back": "Liftoff from Launch Complex 39A, Kennedy Space Center, Florida.", "source": "Apollo 11 press kit · Launch", "tags": ["launch", "cloze"], "subdeck": "Apollo 11::Cloze", "cloze": true }, { "front": "The Lunar Module landed in {{c1::Mare Tranquillitatis}} (the Sea of Tranquility) on {{c2::20 July 1969}}.", "back": "Landing site coordinates: ~ 0.674°N, 23.473°E.", "source": "Apollo 11 press kit · Lunar Landing", "tags": ["landing", "cloze"], "subdeck": "Apollo 11::Cloze", "cloze": true }, { "front": "Armstrong and Aldrin returned about {{c1::21.5 kg}} of lunar material to Earth, including basalt and {{c2::regolith}}.", "back": "First geological samples ever returned from another planetary body.", "source": "Apollo 11 press kit · Lunar Samples", "tags": ["science", "cloze"], "subdeck": "Apollo 11::Cloze", "cloze": true }, { "front": "The Lunar Laser Ranging Retroreflector ({{c1::LRRR}}) lets ground stations measure the Earth-Moon distance to {{c2::centimeter}} accuracy.", "back": "Of all Apollo science gear, LRRR is the only experiment that still returns data more than five decades after deployment.", "source": "Apollo 11 press kit · LRRR", "tags": ["science", "cloze"], "subdeck": "Apollo 11::Cloze", "cloze": true }, { "front": "Distinguish the Command Module (Columbia) from the Lunar Module (Eagle).", "back": "Columbia stayed in lunar orbit with Collins and returned the crew to Earth. Eagle was a two-stage lander: the descent stage stayed on the Moon, the ascent stage rendezvoused with Columbia and was later jettisoned.", "source": "Apollo 11 press kit · Spacecraft", "tags": ["spacecraft", "compare"], "subdeck": "Apollo 11::Crew & Spacecraft" }, { "front": "Distinguish PSEP from LRRR (the two main EASEP experiments).", "back": "PSEP = Passive Seismic Experiment Package, detected lunar seismic activity (operated ~21 days). LRRR = Laser Ranging Retroreflector, a purely passive corner-cube array still used for laser ranging today.", "source": "Apollo 11 press kit · EASEP", "tags": ["science", "compare"], "subdeck": "Apollo 11::EVA & Science" }, { "front": "Compare Apollo 11's single EVA duration to a typical ISS EVA.", "back": "Apollo 11: ~ 2 h 31 min, lunar surface, two astronauts together. Typical ISS EVA: 6-8 h, micro-gravity, also two astronauts but on a tether. Apollo 11 was shorter and one of a kind in its environment.", "source": "Apollo 11 press kit · EVA + general", "tags": ["eva", "compare"], "subdeck": "Apollo 11::EVA & Science" }, { "front": "Which Apollo 11 crew member did not walk on the Moon, and what was his role?", "back": "Michael Collins — Command Module Pilot. He remained in lunar orbit aboard Columbia, performed the rendezvous and the Trans-Earth Injection burn.", "source": "Apollo 11 press kit · Crew", "tags": ["crew"], "subdeck": "Apollo 11::Crew & Spacecraft" }, { "front": "What anomaly occurred during Eagle's descent and how was it resolved?", "back": "The guidance computer flagged 1201 / 1202 \"executive overflow\" alarms (overloaded radar inputs). MIT/MSC controller Steve Bales called \"GO\" — the priority scheduler kept critical landing tasks running and the alarms were ignored.", "source": "Apollo 11 press kit · Descent + flight notes", "tags": ["landing", "anomaly"], "subdeck": "Apollo 11::Mission Timeline" }, { "front": "Why is the first Apollo 11 Saturn V stage called S-IC, and what propellant did it burn?", "back": "S-IC is the first stage of the Saturn V. It burned RP-1 (kerosene) with LOX in five F-1 engines for ~ 2 min 41 s.", "source": "Apollo 11 press kit · Saturn V Stages", "tags": ["launch", "saturn-v"], "subdeck": "Apollo 11::Crew & Spacecraft" }, { "front": "What was the role of the Saturn V S-IVB stage in the Apollo 11 flight plan?", "back": "After insertion into Earth parking orbit, the S-IVB restarted its J-2 engine to perform the Trans-Lunar Injection (TLI) burn, sending the CSM + LM stack toward the Moon.", "source": "Apollo 11 press kit · TLI", "tags": ["launch", "saturn-v"], "subdeck": "Apollo 11::Crew & Spacecraft" }, { "front": "Why was the Apollo 11 plaque inscription \"We came in peace for all mankind\" significant?", "back": "It framed the landing as a human (not just American) achievement, in keeping with the 1967 Outer Space Treaty's spirit. Signed by the three astronauts and President Nixon, attached to the Eagle descent stage that remained on the Moon.", "source": "Apollo 11 press kit · Plaque", "tags": ["mission", "legacy"], "subdeck": "Apollo 11::EVA & Science" } ]