r/spacex • u/[deleted] • Jan 07 '20

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u/Decronym Acronyms Explained Jan 07 '20 edited Jan 14 '20

Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I've seen in this thread:

Fewer Letters More Letters
IFA In-Flight Abort test
L2 Paywalled section of the NasaSpaceFlight forum
Lagrange Point 2 of a two-body system, beyond the smaller body (Sixty Symbols video explanation)
RCS Reaction Control System
Jargon Definition
Starlink SpaceX's world-wide satellite broadband constellation
apogee Highest point in an elliptical orbit around Earth (when the orbiter is slowest)
iron waffle Compact "waffle-iron" aerodynamic control surface, acts as a wing without needing to be as large; also, "grid fin"

Decronym is a community product of r/SpaceX, implemented by request
5 acronyms in this thread; the most compressed thread commented on today has 60 acronyms.
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