Birdwatch Note Rating
2024-10-18 12:00:33 UTC - HELPFUL
Rated by Participant: E48FCAA6180986A36612C58204EABCA01614BFD41574F140321CECE495FF22AC
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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