ボストーク6号打ち上げ——テレシコワ、史上初の女性宇宙飛行士 — 検証記録
検証サマリ
- 最終判定
- 合格
- 最終検証日
- 2026-10-09
- 検証ラウンド数
- 4
- 検証時点
208d438- 検証者
- 執筆と別系統のAI
この記事は、執筆したのとは別系統のAIが、本文の主張を1件ずつ出典と突き合わせて検証しています。判定は上の「検証時点」のコミットにおける本文に対するものです。
中核となる主張と、その根拠
記事の骨格をなす主張について、確からしさの程度と、それを支える資料を示します。
ワレンチナ・テレシコワは1963年6月16日（グレゴリオ暦）、ソ連のバイコヌール宇宙基地からボストーク6号で打ち上げられた。打ち上げ時刻は出典により相違する: NASA公式記録は協定世界時09時36分00秒、McDowellのGCATは協定世界時09時29分52秒と直接記録し、RussianSpaceWeb一覧表はモスクワ・デクレ時12時29分52秒（協定世界時09時29分52秒に相当）、RussianSpaceWeb本文・BBCはモスクワ時間12時30分（協定世界時09時30分相当）と記す。
確からしさ: 確実
- NASA/NSSDCAは『Vostok 6, the last spacecraft in the USSRs first crewed flight series, carried Valentina V. Tereshkova, the first woman in space.』と記す。 — NASA - NSSDCA - Spacecraft - Details: Vostok 6（公的機関の解説）
- NASA/NSSDCAのFacts in Brief欄は『Launch Date: 1963-06-16』『Launch Vehicle: Modified SS-6 (Sapwood) with 1st Generation Upper Stage』『Launch Site: Tyuratam (Baikonur Cosmodrome), U.S.S.R』『Mass: 4713 kg』と記す。 — NASA - NSSDCA - Spacecraft - Details: Vostok 6（公的機関の解説）
- NASA/NSSDCAのTrajectory Detailsページは『Launch Date/Time: 1963-06-16T09:36:00Z』『Launch Site: Tyuratam (Baikonur Cosmodrome), U.S.S.R』『Decay Date: 1963-06-19』と記す。 — NASA - NSSDCA - Spacecraft - Trajectory Details: Vostok 6（公的機関の解説）
- HISTORYは『In 1963, Tereshkova was chosen to take part in the second dual flight in the Vostok program, involving spacecrafts Vostok 5 and Vostok 6.』『On June 14, 1963, Vostok 5 was launched into space with cosmonaut Valeri Bykovsky aboard. With Bykovsky still orbiting the earth, Tereshkova was launched into space on June 16 aboard Vostok 6.』『The two spacecrafts had different orbits but at one point came within three miles of each other, allowing the two cosmonauts to exchange brief communications.』と記す。 — Soviet cosmonaut Valentina Tereshkova becomes the first woman in space | June 16, 1963（事典・概説）
- ブリタニカは『Valentina Tereshkova (born March 6, 1937, Maslennikovo, Russia, U.S.S.R.) is a Soviet cosmonaut and the first woman to travel into space.』『On June 16, 1963, she was launched in the spacecraft Vostok 6, which completed 48 orbits in 71 hours.』『In space at the same time was Valery F. Bykovsky, who had been launched two days earlier in Vostok 5, and the two spacecraft approached within 4.5 km (2.8 miles) of each other; both landed on June 19.』と記す。 — Valentina Tereshkova | Biography & Facts（事典・概説）
- GCATの打上げログ（launch.tsv）のLaunch_Date欄は、ボストーク6号（1963-023）について『1963 Jun 16 0929:52』と記す。GCATの時刻規約文書（web/intro/vague.html）は『All dates in GCAT are at least nominally in Coordinated Universal Time (UTC).』と明記し、本値が協定世界時であることを確認した。 — GCAT: General Catalog of Artificial Space Objects — Launch Log (launch.tsv)（公的機関の解説）
- RussianSpaceWebは『Vostok-6 blasted off as scheduled at 12:30 Moscow Time and the spacecraft successfully reached its planned orbit.』と記す。 — Mission of Vostok-6 (RussianSpaceWeb.com)（事典・概説）
- BBCは『Lieutenant Valentina Tereshkova, 26, was the fifth Russian cosmonaut to go into the Earth's orbit when her spaceship Vostok VI was launched at 1230 Moscow time.』と記す。 — 1963: Soviets launch first woman into space — BBC On This Day（事典・概説）
- RussianSpaceWebの一覧表は、ボストーク6号の『Launch date and time』行に『1963 June 16, 12:29:52 Moscow Decree Time』、『Landing site』行に『620 kilometers northeast of Karaganda (505)』、『Flight duration』行に『2 days 22 hours 50 minutes (505)』と記す。 — Aftermath of Vostok-6 mission (RussianSpaceWeb.com)（事典・概説）
NASA/NSSDCAは『史上初の女性（the first woman in space）』、HISTORYは『史上初めて宇宙へ渡航した女性（the first woman to travel into space）』、ブリタニカは『史上初めて宇宙へ渡航した女性』と、独立した複数の資料がそれぞれの言い回しでテレシコワの飛行を史上初の女性宇宙飛行と明記している。
確からしさ: 確実
- NASA/NSSDCAは『Vostok 6, the last spacecraft in the USSRs first crewed flight series, carried Valentina V. Tereshkova, the first woman in space.』と記す。 — NASA - NSSDCA - Spacecraft - Details: Vostok 6（公的機関の解説）
- HISTORYの見出しは『Soviet cosmonaut Valentina Tereshkova becomes the first woman in space』、本文冒頭は『On June 16, 1963, aboard Vostok 6, Soviet Cosmonaut Valentina Tereshkova becomes the first woman to travel into space.』と記す。続けて『After 48 orbits and 71 hours, she returned to earth, having spent more time in space than all U.S. astronauts combined to that date.』と記す。 — Soviet cosmonaut Valentina Tereshkova becomes the first woman in space | June 16, 1963（事典・概説）
- ブリタニカは『Valentina Tereshkova (born March 6, 1937, Maslennikovo, Russia, U.S.S.R.) is a Soviet cosmonaut and the first woman to travel into space.』『On June 16, 1963, she was launched in the spacecraft Vostok 6, which completed 48 orbits in 71 hours.』『In space at the same time was Valery F. Bykovsky, who had been launched two days earlier in Vostok 5, and the two spacecraft approached within 4.5 km (2.8 miles) of each other; both landed on June 19.』と記す。 — Valentina Tereshkova | Biography & Facts（事典・概説）
ワレリー・ブィコフスキーは1963年6月14日にボストーク5号で打ち上げられ、テレシコワのボストーク6号（6月16日打ち上げ）と1963年6月16日から19日まで同時に地球を周回した。両機は一時的に接近したが（接近距離は出典間で記述が異なる）、軌道そのものは異なっていた。無線交信の維持・途絶については出典間で記述が異なる。
確からしさ: 確実
- HISTORYは『In 1963, Tereshkova was chosen to take part in the second dual flight in the Vostok program, involving spacecrafts Vostok 5 and Vostok 6.』『On June 14, 1963, Vostok 5 was launched into space with cosmonaut Valeri Bykovsky aboard. With Bykovsky still orbiting the earth, Tereshkova was launched into space on June 16 aboard Vostok 6.』『The two spacecrafts had different orbits but at one point came within three miles of each other, allowing the two cosmonauts to exchange brief communications.』と記す。 — Soviet cosmonaut Valentina Tereshkova becomes the first woman in space | June 16, 1963（事典・概説）
- ブリタニカは『Valentina Tereshkova (born March 6, 1937, Maslennikovo, Russia, U.S.S.R.) is a Soviet cosmonaut and the first woman to travel into space.』『On June 16, 1963, she was launched in the spacecraft Vostok 6, which completed 48 orbits in 71 hours.』『In space at the same time was Valery F. Bykovsky, who had been launched two days earlier in Vostok 5, and the two spacecraft approached within 4.5 km (2.8 miles) of each other; both landed on June 19.』と記す。 — Valentina Tereshkova | Biography & Facts（事典・概説）
ボストーク5号とボストーク6号の無線交信の状況は出典により記述が異なる: NASA公式記録は『飛行の大半でボストーク6号はボストーク5号と双方向の無線通信を維持した』と記し、HISTORYは最接近時の短い交信のみを記し、RussianSpaceWebは最接近後に両機が離れるにつれ交信が困難になり、共同飛行2日目半ばには交信が完全に途絶したと記す。本サイトはいずれの記述が正確かを判定しない。
確からしさ: 諸説あり
- NASA/NSSDCAは『This flight lasted for 3 days and, for most of this time, Vostok 6 flew with Vostok 5 maintaining two-way radio communications and establishing communications with Earth at regular intervals.』と記す。 — NASA - NSSDCA - Spacecraft - Details: Vostok 6（公的機関の解説）
- HISTORYは『In 1963, Tereshkova was chosen to take part in the second dual flight in the Vostok program, involving spacecrafts Vostok 5 and Vostok 6.』『On June 14, 1963, Vostok 5 was launched into space with cosmonaut Valeri Bykovsky aboard. With Bykovsky still orbiting the earth, Tereshkova was launched into space on June 16 aboard Vostok 6.』『The two spacecrafts had different orbits but at one point came within three miles of each other, allowing the two cosmonauts to exchange brief communications.』と記す。 — Soviet cosmonaut Valentina Tereshkova becomes the first woman in space | June 16, 1963（事典・概説）
- RussianSpaceWebは『However after their maximum proximity, the two spacecraft started drifting apart and communications also became difficult to maintain. By the middle of the second day of the joint mission radio-contact completely broke down, even though Tereshkova could still hear some messages addressed to Bykovsky.』と記す。 — Mission of Vostok-6 (RussianSpaceWeb.com)（事典・概説）
テレシコワの手動操縦の有無については出典により記述が異なる: HISTORYは『自動制御システムに導かれ、手動操縦を行わなかった』と記し、RussianSpaceWebは『第2周回で予定された模擬制動噴射に向けた手動姿勢制御を2度試みたが、いずれも失敗した』と記す。本サイトはいずれの記述が正確かを判定しない。
確からしさ: 諸説あり
- HISTORYは『Tereshkova's spacecraft was guided by an automatic control system, and she never took manual control.』と記す。 — Soviet cosmonaut Valentina Tereshkova becomes the first woman in space | June 16, 1963（事典・概説）
- RussianSpaceWebは『Tereshkova then made two attempts to manually bring the spacecraft into right orientation for a similated landing engine firing, which was scheduled during the second orbit of her mission.』『She admitted that both attempts to establish the correct stable orientation for the spacecraft had failed as she struggled to reach the instruments and the vehicle kept drifting away from a prescribed position.』と記す（「similated」は原文ママ）。 — Mission of Vostok-6 (RussianSpaceWeb.com)（事典・概説）
ボストーク5号・6号が最も接近した距離は出典により異なる数値が記されている: HISTORY『3マイル以内（three miles）』、ブリタニカ『4.5キロメートル（2.8マイル）』、RussianSpaceWebが引用するソ連公式発表『5キロメートル』。本サイトはいずれの数値が正確かを判定しない。
確からしさ: 諸説あり
- HISTORYは『In 1963, Tereshkova was chosen to take part in the second dual flight in the Vostok program, involving spacecrafts Vostok 5 and Vostok 6.』『On June 14, 1963, Vostok 5 was launched into space with cosmonaut Valeri Bykovsky aboard. With Bykovsky still orbiting the earth, Tereshkova was launched into space on June 16 aboard Vostok 6.』『The two spacecrafts had different orbits but at one point came within three miles of each other, allowing the two cosmonauts to exchange brief communications.』と記す。 — Soviet cosmonaut Valentina Tereshkova becomes the first woman in space | June 16, 1963（事典・概説）
- ブリタニカは『Valentina Tereshkova (born March 6, 1937, Maslennikovo, Russia, U.S.S.R.) is a Soviet cosmonaut and the first woman to travel into space.』『On June 16, 1963, she was launched in the spacecraft Vostok 6, which completed 48 orbits in 71 hours.』『In space at the same time was Valery F. Bykovsky, who had been launched two days earlier in Vostok 5, and the two spacecraft approached within 4.5 km (2.8 miles) of each other; both landed on June 19.』と記す。 — Valentina Tereshkova | Biography & Facts（事典・概説）
- RussianSpaceWebは『According to official Soviet sources, the two ships came as close as five kilometers to each other during the first orbit of Vostok-6.』と記す。 — Mission of Vostok-6 (RussianSpaceWeb.com)（事典・概説）
ボストーク6号は1963年6月19日、48周回・70.7時間（NASA公式記録。HISTORY・ブリタニカは71時間と記す）を経てカラガンダ北東に着陸した（NASA公式記録）。ボストーク飛行では、帰還時に高度約2万フィートで宇宙飛行士がカプセルから射出され、機体とは別にパラシュートで降下する手順が定められており、テレシコワもこの手順に従って降下したと記されている（HISTORY・ブリタニカ）。
確からしさ: 確実
- NASA/NSSDCAは『After completing 48 orbits in 70.7 hr, the spacecraft landed on June 19, 1963, northeast of Karaganda.』と記す。 — NASA - NSSDCA - Spacecraft - Details: Vostok 6（公的機関の解説）
- NASA/NSSDCAのTrajectory Detailsページは『Launch Date/Time: 1963-06-16T09:36:00Z』『Launch Site: Tyuratam (Baikonur Cosmodrome), U.S.S.R』『Decay Date: 1963-06-19』と記す。 — NASA - NSSDCA - Spacecraft - Trajectory Details: Vostok 6（公的機関の解説）
- HISTORYは『On June 19, after just under three days in space, Vostok 6 reentered the atmosphere, and Tereshkova successfully parachuted to earth after ejecting at 20,000 feet. Bykovsky and Vostok 5 landed safely a few hours later.』と記す。また別文で『the mandatory ejection from the capsule at about 20,000 feet during reentry』をボストーク飛行で必須の手順として説明している。 — Soviet cosmonaut Valentina Tereshkova becomes the first woman in space | June 16, 1963（事典・概説）
- ブリタニカは『Although she had no pilot training, Tereshkova was an accomplished amateur parachutist and on this basis was accepted for the cosmonaut program along with four other women when she volunteered in 1962.』『(On Vostok missions, cosmonauts ejected before landing and parachuted to the ground separately from the spacecraft.)』『On November 3, 1963, she married Andriyan G. Nikolayev, another cosmonaut. They divorced in 1982.』『Tereshkova was named a Hero of the Soviet Union and was twice awarded the Order of Lenin.』と記す。 — Valentina Tereshkova | Biography & Facts（事典・概説）
ボストーク6号は48周回を完了した。飛行時間はNASA公式記録が70.7時間、HISTORY・ブリタニカが71時間と記す（出典間の差は概算の違いで、数値自体は符合する）。
確からしさ: 確実
- NASA/NSSDCAは『After completing 48 orbits in 70.7 hr, the spacecraft landed on June 19, 1963, northeast of Karaganda.』と記す。 — NASA - NSSDCA - Spacecraft - Details: Vostok 6（公的機関の解説）
- HISTORYの見出しは『Soviet cosmonaut Valentina Tereshkova becomes the first woman in space』、本文冒頭は『On June 16, 1963, aboard Vostok 6, Soviet Cosmonaut Valentina Tereshkova becomes the first woman to travel into space.』と記す。続けて『After 48 orbits and 71 hours, she returned to earth, having spent more time in space than all U.S. astronauts combined to that date.』と記す。 — Soviet cosmonaut Valentina Tereshkova becomes the first woman in space | June 16, 1963（事典・概説）
- ブリタニカは『Valentina Tereshkova (born March 6, 1937, Maslennikovo, Russia, U.S.S.R.) is a Soviet cosmonaut and the first woman to travel into space.』『On June 16, 1963, she was launched in the spacecraft Vostok 6, which completed 48 orbits in 71 hours.』『In space at the same time was Valery F. Bykovsky, who had been launched two days earlier in Vostok 5, and the two spacecraft approached within 4.5 km (2.8 miles) of each other; both landed on June 19.』と記す。 — Valentina Tereshkova | Biography & Facts（事典・概説）
テレシコワは飛行後、ソ連邦英雄の称号とレーニン勲章を受章した（HISTORY・ブリタニカの2系統が一致）。ブリタニカは、レーニン勲章については2度にわたり受章したと記す（この回数についてはブリタニカのみの記載）。
確からしさ: 確実
- HISTORYは『After her historic space flight, Valentina Tereshkova received the Order of Lenin and Hero of the Soviet Union awards.』『In November 1963, she married fellow cosmonaut Andrian Nikolayev, reportedly under pressure from Soviet leader Nikita Khrushchev, who saw a propaganda advantage in the pairing of the two single cosmonauts.』と記す。 — Soviet cosmonaut Valentina Tereshkova becomes the first woman in space | June 16, 1963（事典・概説）
- ブリタニカは『Although she had no pilot training, Tereshkova was an accomplished amateur parachutist and on this basis was accepted for the cosmonaut program along with four other women when she volunteered in 1962.』『(On Vostok missions, cosmonauts ejected before landing and parachuted to the ground separately from the spacecraft.)』『On November 3, 1963, she married Andriyan G. Nikolayev, another cosmonaut. They divorced in 1982.』『Tereshkova was named a Hero of the Soviet Union and was twice awarded the Order of Lenin.』と記す。 — Valentina Tereshkova | Biography & Facts（事典・概説）
テレシコワの飛行の後、ソ連の女性宇宙飛行士による飛行は1980年代まで行われなかった（HISTORY・RussianSpaceWebの2系統が一致）。RussianSpaceWebは、次の飛行が実現したのは1982年、スヴェトラーナ・サヴィツカヤのソユーズT-7搭乗だったと記している（この具体的な年・人物・搭乗機はRussianSpaceWeb単独の記述）。アメリカ初の女性宇宙飛行士がサリー・ライドであることは、HISTORY・ブリタニカの2系統が一致する（HISTORYは、1983年にスペースシャトル・チャレンジャーのミッションスペシャリストとして搭乗したと記す）。
確からしさ: 確実
- HISTORYは『She never entered space again, and hers was the last space flight by a female cosmonaut until the 1980s.』『The first American woman in space was astronaut and physicist Sally Ride, who served as mission specialist on a flight of the space shuttle Challenger in 1983.』と記す。 — Soviet cosmonaut Valentina Tereshkova becomes the first woman in space | June 16, 1963（事典・概説）
- ブリタニカは『Tereshkova's pioneering career, along with the feats of Sally Ride (the first American woman to travel into outer space) and Mae Jemison (the first African American woman to become an astronaut), helped pave the way for these future ventures in exploration.』と記す。 — Valentina Tereshkova | Biography & Facts（事典・概説）
- RussianSpaceWebは『No Soviet woman flew into space again until 1982, when Svetlana Savitskaya joined the crew of Soyuz T-7.』と記す。 — Aftermath of Vostok-6 mission (RussianSpaceWeb.com)（事典・概説）
テレシコワは、パイロット訓練を受けていなかったアマチュアのパラシュート降下者としての経験を基盤に、1962年に他の女性数名とともに宇宙飛行士候補として選抜された。HISTORYは1962年2月、他の女性パラシュート降下者3名・女性パイロット1名とともに選抜されたと記し、ブリタニカは志願した1962年当時、他の女性4名とともに採用されたと記す（総数はおおむね一致するが、構成の記述の詳細度は出典間で異なる）。
確からしさ: 確実
- HISTORYは『In February 1962, she was selected along with three other woman parachutists and a female pilot to begin intensive training to become a cosmonaut.』と記す。 — Soviet cosmonaut Valentina Tereshkova becomes the first woman in space | June 16, 1963（事典・概説）
- ブリタニカは『Although she had no pilot training, Tereshkova was an accomplished amateur parachutist and on this basis was accepted for the cosmonaut program along with four other women when she volunteered in 1962.』『(On Vostok missions, cosmonauts ejected before landing and parachuted to the ground separately from the spacecraft.)』『On November 3, 1963, she married Andriyan G. Nikolayev, another cosmonaut. They divorced in 1982.』『Tereshkova was named a Hero of the Soviet Union and was twice awarded the Order of Lenin.』と記す。 — Valentina Tereshkova | Biography & Facts（事典・概説）
そのほかの記述の検証
中核以外の記述についても、59 件を出典と突き合わせ、59 件で一致を確認しました。
訂正の履歴
| 版 | 日付 | 事実主張への変更 | 再fact-check |
|---|---|---|---|
| 1 | 2026-10-09 | — | 要 |
| 2 | 2026-10-09 | あり | 要 |
| 3 | 2026-10-09 | あり | 済 |
| 4 | 2026-10-09 | あり | 済 |
訂正の方針は訂正ポリシーに、検証の進め方はこの記事ができるまでに記載しています。