Birdwatch Note Rating
2024-10-18 13:48:50 UTC - HELPFUL
Rated by Participant: 8C55657475EA09A7C0053B33DEDDE80B34170129268DFF83014F98462A673CDF
Participant Details
Original Note:
From a NASA paper titled "Advancing Supersonic Retropropulsion Using Mars-Relevant Flight Data: An Overview": "In September 2013, SpaceX performed the first supersonic retropropulsion (SRP) maneuver to decelerate the entry of the first stage of their Falcon 9 rocket." https://ntrs.nasa.gov/api/citations/20170008725/downloads/20170008725.pdf
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