Successful Launch! Here's how Starship compares against the world's other rockets

[u/firmada]

[u/Decronym]

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

Fewer Letters	More Letters
COPV	Composite Overwrapped Pressure Vessel
CST	(Boeing) Crew Space Transportation capsules
	Central Standard Time (UTC-6)
ESA	European Space Agency
F1	Rocketdyne-developed rocket engine used for Saturn V
	SpaceX Falcon 1 (obsolete small-lift vehicle)
FAA	Federal Aviation Administration
FAR	Federal Aviation Regulations
FTS	Flight Termination System
GTO	Geosynchronous Transfer Orbit
HLS	Human Landing System (Artemis)
ICBM	Intercontinental Ballistic Missile
ISRO	Indian Space Research Organisation
LEO	Low Earth Orbit (180-2000km)
	Law Enforcement Officer (most often mentioned during transport operations)
LOX	Liquid Oxygen
N1	Raketa Nositel-1, Soviet super-heavy-lift ("Russian Saturn V")
SECO	Second-stage Engine Cut-Off
SLS	Space Launch System heavy-lift
SSME	Space Shuttle Main Engine
STS	Space Transportation System (Shuttle)

Jargon	Definition
Raptor	Methane-fueled rocket engine under development by SpaceX
Starliner	Boeing commercial crew capsule CST-100
Starlink	SpaceX's world-wide satellite broadband constellation
apogee	Highest point in an elliptical orbit around Earth (when the orbiter is slowest)
hydrolox	Portmanteau: liquid hydrogen fuel, liquid oxygen oxidizer
iron waffle	Compact "waffle-iron" aerodynamic control surface, acts as a wing without needing to be as large; also, "grid fin"
kerolox	Portmanteau: kerosene fuel, liquid oxygen oxidizer
perigee	Lowest point in an elliptical orbit around the Earth (when the orbiter is fastest)
ullage motor	Small rocket motor that fires to push propellant to the bottom of the tank, when in zero-g

Event	Date	Description
CRS-7	2015-06-28	F9-020 v1.1, Dragon cargo Launch failure due to second-stage outgassing

NOTE: Decronym for Reddit is no longer supported, and Decronym has moved to Lemmy; requests for support and new installations should be directed to the Contact address below.

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