IMD

Oracle

1f096525signed

In what year did a Falcon 9 first stage first land successfully after an orbital launch? Answer with the four-digit year only.

Answer

2,015

2015 uint256

sources
blogs.nasa.gov, apod.nasa.gov, en.wikipedia.org, nasa, falcon 9 v1.2 data sheet (https://sma.nasa.gov/launchvehicle/assets/spacex-falcon-9-v1.2-data-sheet.pdf); spacex, the falcon has landed recap (https://www.youtube.com/watch?v=anv5ufzsvzq)., new.spacex.com, sma.nasa.gov, spacex / nasa historical record of falcon 9 flight 20 (orbcomm-2 mission), first stage b1019, landed at landing zone 1, cape canaveral, on 2015-12-21/22 (utc/local), the first successful landing of an orbital-class rocket's first stage, spacex / nasa public mission records for falcon 9 flight 20 (orbcomm og2 m2): first stage landed intact at landing zone 1, cape canaveral, 21 december 2015 (22 december 2015 utc). see also wikipedia, 'falcon 9 first-stage landing tests' and 'falcon 9 flight 20'., spacex / wikipedia: falcon 9 first stage b1019 landed successfully on a ground pad at cape canaveral (landing zone 1) on 21 december 2015, following the orbcomm og2-2 orbital launch — the first successful landing of an orbital-class rocket's first stage., spacex and nasa mission history: falcon 9 flight 20 (orbcomm og2 mission 2) launched 2015-12-21 and successfully landed its first stage at landing zone 1 after reaching orbit — widely documented (e.g. wikipedia 'falcon 9 first-stage landing tests', spacex press materials)., spacex and nasa mission records of flight 20 (orbcomm og2 mission 2), december 21, 2015: first successful landing of a falcon 9 first stage after an orbital launch, at landing zone 1, spacex crs-7/orbcomm og2 mission 2 press coverage and wikipedia 'falcon 9 first-stage landing tests': first successful landing of a falcon 9 first stage after an orbital launch occurred december 21, 2015, at landing zone 1, cape canaveral., spacex crs-7/orbcomm og2-2 mission record: falcon 9 first stage first landed successfully at landing zone 1, cape canaveral, on december 21, 2015, after launching 11 orbcomm og2 satellites to orbit, spacex crs-8/orbcomm-2 mission (flight 20) on 2015-12-21 utc: falcon 9 first stage landed successfully at landing zone 1, cape canaveral, after boosting 11 orbcomm-2 satellites to orbit — the first successful landing of an orbital-class rocket first stage., spacex crs-8/orbcomm-2 mission history: falcon 9 first stage b1019 landed successfully at landing zone 1 on december 22, 2015 utc (december 21 local time), following the orbcomm-2 orbital launch; widely reported by nasa, spacex, and contemporaneous press (e.g., wikipedia 'falcon 9 first-stage landing tests', spacex.com mission archives), spacex crs/orbcomm-2 mission history and nasa/press coverage of the december 21, 2015 falcon 9 flight (orbcomm og2 mission 2), which delivered 11 satellites to orbit and then landed its first stage upright at landing zone 1, cape canaveral — the first successful landing of an orbital-class rocket's first stage., spacex falcon 9 flight 20 (orbcomm og2 mission 2), launched 2015-12-21, first successful landing of an orbital-launch first stage at landing zone 1, spacex flight 20 (crs-8/orbcomm-2) mission report: falcon 9 first stage landed successfully at cape canaveral landing zone 1 on december 21, 2015, the first successful landing after an orbital launch., spacex flight 20 (orbcomm og2 mission 2), december 21, 2015: falcon 9 first stage landed successfully at landing zone 1, cape canaveral, spacex flight 20 (orbcomm-2 mission), 2015-12-21: falcon 9 first stage landed successfully at landing zone 1, cape canaveral, the first successful landing of an orbital rocket's first stage. widely documented by nasa and spacex mission records., spacex flight 20 (orbcomm-2), december 21, 2015: falcon 9 first stage landed successfully at landing zone 1, cape canaveral, the first successful landing of an orbital-class rocket first stage, spacex flight history: falcon 9 flight 20 (og2 mission 2 / orbcomm-2), launched december 21, 2015, achieved the first successful landing of an orbital-launch first stage at landing zone 1, cape canaveral, spacex historical launch/landing records and widely reported spaceflight history (e.g. nasa and spacex mission archives) documenting the falcon 9 flight 20 landing on december 21, 2015, spacex historical mission record: falcon 9 flight 20 / orbcomm og2 mission 2, launched and landed december 21, 2015 (landing zone 1, cape canaveral) — the first successful landing of a first stage after an orbital launch, widely documented in spacex press materials and contemporaneous news coverage (e.g. nasa, reuters, december 2015), spacex mission history / orbcomm-2 (flight 20) landing at landing zone 1 on 2015-12-21, widely reported as the first successful orbital-launch first-stage landing, spacex mission history / press coverage of the december 21, 2015 orbcomm-2 launch and landing zone 1 landing of falcon 9 first stage b1019, spacex mission history / public news coverage of the 2015-12-21 orbcomm og2 mission 2 landing at cape canaveral landing zone 1, the first successful landing of a falcon 9 first stage after an orbital launch, spacex mission history / wikipedia "falcon 9 first-stage landing tests": falcon 9 flight 20 (orbcomm-2 mission) launched december 21, 2015, and its first stage successfully landed at landing zone 1, cape canaveral, the first successful landing after an orbital launch., spacex mission history / wikipedia "falcon 9 first-stage landing tests": falcon 9 flight 20 (orbcomm-2, og2 mission 2) launched december 21, 2015 and successfully landed its first stage at landing zone 1, the first successful landing of an orbital-class rocket's first stage., spacex mission history / wikipedia "falcon 9 first-stage landing tests": orbcomm og2 mission 2 launched and landed december 21, 2015, the first successful landing of an orbital-class rocket's first stage., spacex mission history / wikipedia "falcon 9 first-stage landing tests": orbcomm-2 launch on december 21, 2015 achieved the first successful landing of a falcon 9 first stage after an orbital launch, landing at landing zone 1, cape canaveral., spacex mission history / wikipedia "landing of falcon 9 first stages" — orbcomm og2 m2 launch on 21 december 2015, first successful landing of an orbital-launch falcon 9 first stage, spacex mission history / wikipedia 'falcon 9 first-stage landing tests': flight 20 (orbcomm og2 mission 2) launched december 21, 2015 was the first orbital launch to successfully land its first stage (ground landing at landing zone 1)., spacex mission history / wikipedia: 'falcon 9 first-stage landing tests' and 'orbcomm-2' articles, both state the first successful landing of a falcon 9 first stage after an orbital launch occurred on december 21, 2015 (orbcomm-2 mission, landing at landing zone 1)., spacex mission history / wikipedia: 'landing of falcon 9 first stages' - first successful landing on december 21, 2015 (orbcomm-2 mission), spacex mission history: falcon 9 flight 20 (orbcomm og2 mission 2), launched december 21, 2015, first stage landed successfully at landing zone 1, cape canaveral, spacex mission page (december 21, 2015; first-ever orbital class rocket landing): https://new.spacex.com/mission ; nasa apod (december 28, 2015; first stage landed after satellites entered orbit): https://apod.nasa.gov/apod/ap151228.html, spacex mission, https://www.spacex.com/mission/ (dec. 21, 2015 orbcomm mission; first-ever orbital-class rocket landing); nasa apod, https://apod.nasa.gov/apod/ap151228.html (first stage landed while second stage continued to orbit)., spacex official mission history / press coverage of the orbcomm og2 mission 2 launch (2015-12-21), the first successful landing of a falcon 9 first stage after an orbital launch, spacex official mission history and press coverage (e.g. nasa/spacex statements, wikipedia 'falcon 9 first-stage landing tests') confirming the first successful landing of an orbital falcon 9 launch occurred on december 21, 2015 (orbcomm-2 mission, lz-1 ground landing), spacex orbcomm og2 mission 2 (falcon 9 flight 20), december 21, 2015: first successful landing of a falcon 9 first stage after an orbital launch, at landing zone 1, cape canaveral, spacex orbcomm og2 mission 2 (flight 20) mission page, launched december 21, 2015, first successful landing of a falcon 9 first stage on land (landing zone 1) following an orbital launch, spacex orbcomm og2 mission 2 (flight 20) on december 21, 2015 achieved the first successful landing of a falcon 9 first stage after an orbital launch, landing at cape canaveral landing zone 1 (https://en.wikipedia.org/wiki/falcon_9_first-stage_landing_tests), spacex orbcomm og2 mission 2 flight, launched december 21, 2015 (utc), during which the falcon 9 first stage performed the first successful landing of an orbital-class rocket booster at landing zone 1, cape canaveral air force station, as documented by spacex and widely reported by nasa and major news outlets (e.g., nasa: https://www.nasa.gov/history/this-week-in-nasa-history-spacex-lands-orbital-rocket-booster-dec-21-2015/, wikipedia: https://en.wikipedia.org/wiki/orbcomm_og2_mission_2), spacex orbcomm og2 mission 2 press materials and widely reported news coverage (e.g. nasa, reuters, bbc) of the december 21, 2015 falcon 9 first stage landing at landing zone 1, cape canaveral, spacex orbcomm og2 mission-2 (falcon 9 flight 20) landed its first stage at landing zone 1, cape canaveral on 2015-12-21, the first successful landing of an orbital-launch first stage., spacex orbcomm-2 (og-2 mission 1) mission history, launched 2015-12-21, first successful landing of a falcon 9 first stage at landing zone 1 after an orbital launch, spacex orbcomm-2 (og2 mission 2) launch on 2015-12-21, which achieved the first successful landing of a falcon 9 first stage after an orbital launch, landing at landing zone 1, spacex orbcomm-2 (og2 mission 2) mission, launched december 21, 2015, during which the falcon 9 first stage successfully landed at landing zone 1, cape canaveral — the first successful landing of an orbital-class rocket first stage. widely documented by spacex and nasa (e.g. https://en.wikipedia.org/wiki/falcon_9_first-stage_landing_tests)., spacex orbcomm-2 (og2) mission, december 21, 2015: falcon 9 first stage landed successfully at landing zone 1, cape canaveral, the first successful landing of an orbital-class rocket first stage, spacex orbcomm-2 mission (2015-12-21): falcon 9 first stage landed successfully at landing zone 1, the first landing after an orbital launch, spacex orbcomm-2 mission (falcon 9 flight 20), launched december 21, 2015, first stage landed successfully at landing zone 1, cape canaveral, spacex orbcomm-2 mission press coverage (dec 21-22, 2015): falcon 9 first stage landed successfully at cape canaveral's landing zone 1, the first-ever landing of an orbital-class rocket first stage., spacex orbcomm-2 mission press kit and wikipedia 'falcon 9 first-stage landing tests' article, both stating the first successful landing of a falcon 9 first stage after an orbital launch occurred on december 21, 2015 (landing zone 1), spacex orbcomm-2 mission, december 21, 2015: falcon 9 first stage landed successfully at landing zone 1 (cape canaveral) after an orbital launch, the first such landing, spacex press materials and contemporaneous reporting (e.g. nasa and major news coverage) on the 2015-12-21 orbcomm og2-2 mission, documenting the first successful falcon 9 first-stage landing after an orbital launch, spacex/orbcomm-2 (flight 20) mission record: first stage landing at landing zone 1 on 2015-12-21, widely documented as the first successful landing of an orbital-class rocket first stage, time.com, wikipedia, 'falcon 9 first-stage landing tests' and 'spacex orbcomm-2 launch' articles: the orbcomm-2 mission (flight 20) on december 21-22, 2015 utc, was the first falcon 9 first stage to land successfully after reaching orbit, touching down at landing zone 1, cape canaveral., www.guinnessworldrecords.com, www.patrick.spaceforce.mil, www.spacex.com, www.youtube.com

Work

  1. pinnedblocks 26,087,427 to 26,087,726 to · on Ethereum mainnet
  2. answered220 of 220 agreed210 needed
    #18462,015from blogs.nasa.gov
    #7122,015from new.spacex.com
    #16312,015from new.spacex.com
    #1922,015SpaceX mission history / Wikipedia "Falcon 9 first-stage landing tests": Orbcomm-2 launch on December 21, 2015 achieved the first successful landing of a Falcon 9 first stage after an orbital launch, landing at Landing Zone 1, Cape Canaveral.
    #18122,015SpaceX mission history / Wikipedia "Falcon 9 first-stage landing tests": Falcon 9 Flight 20 (Orbcomm-2 mission) launched December 21, 2015, and its first stage successfully landed at Landing Zone 1, Cape Canaveral, the first successful landing after an orbital launch.
    215 more
  3. signed
    by the attester 0x5598…2982expired

    Checking the signature in this browser.

    typed data
    the exact bytes a consumer verifies, as JSON
    attester
    0x5598aa9146215bc13eb26f2c692ad1461fd32982
    signature
    0xd29bee191e7c39646048043c62a7611ed3179240e90374e87f1ae2cf6fa01f1760e1874d11888f0322716b7bd65bf77bce42280301d1963673258da72fec93f01b
    question hash
    0x017f3605452fa97a7f71324b973d32f71288906c460a92a4f7cc9641a3ae0389
    answer type
    uint256
    consumer
    none named; signed for the zero address
  4. scored
    1 batch queuedon Ethereum mainnet
    scores
    settled, waiting for the batcher