Decronym

Decronym t1_j50q35g wrote

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

|Fewer Letters|More Letters| |-------|---------|---| |Roscosmos|State Corporation for Space Activities, Russia| |SLS|Space Launch System heavy-lift| |SRB|Solid Rocket Booster| |STS|Space Transportation System (Shuttle)|


^([Thread #8452 for this sub, first seen 19th Jan 2023, 16:24]) ^[FAQ] ^([Full list]) ^[Contact] ^([Source code])

1

Decronym t1_j4z0fo1 wrote

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

|Fewer Letters|More Letters| |-------|---------|---| |JWST|James Webb infra-red Space Telescope| |L1|Lagrange Point 1 of a two-body system, between the bodies| |L2|Lagrange Point 2 (Sixty Symbols video explanation)| | |Paywalled section of the NasaSpaceFlight forum| |L3|Lagrange Point 3 of a two-body system, opposite L2| |L4|"Trojan" Lagrange Point 4 of a two-body system, 60 degrees ahead of the smaller body| |L5|"Trojan" Lagrange Point 5 of a two-body system, 60 degrees behind the smaller body|


^(6 acronyms in this thread; )^(the most compressed thread commented on today)^( has 11 acronyms.)
^([Thread #8450 for this sub, first seen 19th Jan 2023, 06:15]) ^[FAQ] ^([Full list]) ^[Contact] ^([Source code])

3

Decronym t1_j4mlk6i wrote

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

|Fewer Letters|More Letters| |-------|---------|---| |DoD|US Department of Defense| |ITS|Interplanetary Transport System (2016 oversized edition) (see MCT)| | |Integrated Truss Structure| |JAXA|Japan Aerospace eXploration Agency| |LEO|Low Earth Orbit (180-2000km)| | |Law Enforcement Officer (most often mentioned during transport operations)| |MCT|Mars Colonial Transporter (see ITS)| |STP|Standard Temperature and Pressure| | |Space Test Program, see STP-2| |STP-2|Space Test Program 2, DoD programme, second round|


^(5 acronyms in this thread; )^(the most compressed thread commented on today)^( has 37 acronyms.)
^([Thread #8440 for this sub, first seen 16th Jan 2023, 19:58]) ^[FAQ] ^([Full list]) ^[Contact] ^([Source code])

4

Decronym t1_iyyibf3 wrote

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

|Fewer Letters|More Letters| |-------|---------|---| |ASAT|Anti-Satellite weapon| |LEO|Low Earth Orbit (180-2000km)| | |Law Enforcement Officer (most often mentioned during transport operations)| |SSO|Sun-Synchronous Orbit| |USAF|United States Air Force| |VLEO|V-band constellation in LEO| | |Very Low Earth Orbit|

|Jargon|Definition| |-------|---------|---| |Starlink|SpaceX's world-wide satellite broadband constellation| |perigee|Lowest point in an elliptical orbit around the Earth (when the orbiter is fastest)|


^(7 acronyms in this thread; )^(the most compressed thread commented on today)^( has 33 acronyms.)
^([Thread #8390 for this sub, first seen 5th Dec 2022, 03:07]) ^[FAQ] ^([Full list]) ^[Contact] ^([Source code])

1

Decronym t1_iytn0dd wrote

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

|Fewer Letters|More Letters| |-------|---------|---| |ESA|European Space Agency| |EVA|Extra-Vehicular Activity| |HLS|Human Landing System (Artemis)| |SLS|Space Launch System heavy-lift|


^([Thread #8386 for this sub, first seen 4th Dec 2022, 01:49]) ^[FAQ] ^([Full list]) ^[Contact] ^([Source code])

2

Decronym t1_iyrzvux wrote

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

|Fewer Letters|More Letters| |-------|---------|---| |H2|Molecular hydrogen| | |Second half of the year/month| |NG|New Glenn, two/three-stage orbital vehicle by Blue Origin| | |Natural Gas (as opposed to pure methane)| | |Northrop Grumman, aerospace manufacturer|

|Jargon|Definition| |-------|---------|---| |Raptor|Methane-fueled rocket engine under development by SpaceX| |Sabatier|Reaction between hydrogen and carbon dioxide at high temperature and pressure, with nickel as catalyst, yielding methane and water| |hydrolox|Portmanteau: liquid hydrogen fuel, liquid oxygen oxidizer| |kerolox|Portmanteau: kerosene fuel, liquid oxygen oxidizer| |methalox|Portmanteau: methane fuel, liquid oxygen oxidizer|


^(7 acronyms in this thread; )^(the most compressed thread commented on today)^( has 25 acronyms.)
^([Thread #8384 for this sub, first seen 3rd Dec 2022, 18:32]) ^[FAQ] ^([Full list]) ^[Contact] ^([Source code])

2

Decronym t1_iyk8uhl wrote

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

|Fewer Letters|More Letters| |-------|---------|---| |ESA|European Space Agency| |Isp|Specific impulse (as explained by Scott Manley on YouTube)| | |Internet Service Provider| |LEO|Low Earth Orbit (180-2000km)| | |Law Enforcement Officer (most often mentioned during transport operations)| |N1|Raketa Nositel-1, Soviet super-heavy-lift ("Russian Saturn V")| |SLS|Space Launch System heavy-lift| |TPS|Thermal Protection System for a spacecraft (on the Falcon 9 first stage, the engine "Dance floor")|

|Jargon|Definition| |-------|---------|---| |Raptor|Methane-fueled rocket engine under development by SpaceX|


^([Thread #8373 for this sub, first seen 2nd Dec 2022, 00:33]) ^[FAQ] ^([Full list]) ^[Contact] ^([Source code])

1

Decronym t1_iyf749w wrote

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

|Fewer Letters|More Letters| |-------|---------|---| |BO|Blue Origin (Bezos Rocketry)| |ICBM|Intercontinental Ballistic Missile| |LEO|Low Earth Orbit (180-2000km)| | |Law Enforcement Officer (most often mentioned during transport operations)| |RCS|Reaction Control System| |Roscosmos|State Corporation for Space Activities, Russia|

|Jargon|Definition| |-------|---------|---| |hydrolox|Portmanteau: liquid hydrogen fuel, liquid oxygen oxidizer| |hypergolic|A set of two substances that ignite when in contact|


^(7 acronyms in this thread; )^(the most compressed thread commented on today)^( has 33 acronyms.)
^([Thread #8368 for this sub, first seen 30th Nov 2022, 23:03]) ^[FAQ] ^([Full list]) ^[Contact] ^([Source code])

2

Decronym t1_iyaydxk wrote

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

|Fewer Letters|More Letters| |-------|---------|---| |EHT|Event Horizon Telescope| |FAA-AST|Federal Aviation Administration Administrator for Space Transportation| |FCC|Federal Communications Commission| | |(Iron/steel) Face-Centered Cubic crystalline structure| |GAO|(US) Government Accountability Office| |NEO|Near-Earth Object| |VLBI|Very-Long-Baseline Interferometry|

|Jargon|Definition| |-------|---------|---| |Starlink|SpaceX's world-wide satellite broadband constellation|


^(7 acronyms in this thread; )^(the most compressed thread commented on today)^( has 32 acronyms.)
^([Thread #8366 for this sub, first seen 30th Nov 2022, 01:23]) ^[FAQ] ^([Full list]) ^[Contact] ^([Source code])

15

Decronym t1_iy713zq wrote

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

|Fewer Letters|More Letters| |-------|---------|---| |DoD|US Department of Defense| |GEO|Geostationary Earth Orbit (35786km)| |LEO|Low Earth Orbit (180-2000km)| | |Law Enforcement Officer (most often mentioned during transport operations)| |MEO|Medium Earth Orbit (2000-35780km)| |PNT|Positioning, Navigation and Timing| |SV|Space Vehicle| |USSF|United States Space Force|

|Jargon|Definition| |-------|---------|---| |Starlink|SpaceX's world-wide satellite broadband constellation| |cislunar|Between the Earth and Moon; within the Moon's orbit|


^(9 acronyms in this thread; )^(the most compressed thread commented on today)^( has 7 acronyms.)
^([Thread #8364 for this sub, first seen 29th Nov 2022, 05:27]) ^[FAQ] ^([Full list]) ^[Contact] ^([Source code])

15

Decronym t1_iy0220m wrote

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

|Fewer Letters|More Letters| |-------|---------|---| |CSA|Canadian Space Agency| |ESA|European Space Agency| |JWST|James Webb infra-red Space Telescope|


^(2 acronyms in this thread; )^(the most compressed thread commented on today)^( has 7 acronyms.)
^([Thread #8357 for this sub, first seen 27th Nov 2022, 18:57]) ^[FAQ] ^([Full list]) ^[Contact] ^([Source code])

1

Decronym t1_ixx5lbi wrote

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

|Fewer Letters|More Letters| |-------|---------|---| |L4|"Trojan" Lagrange Point 4 of a two-body system, 60 degrees ahead of the smaller body| |L5|"Trojan" Lagrange Point 5 of a two-body system, 60 degrees behind the smaller body| |SLS|Space Launch System heavy-lift| |ULA|United Launch Alliance (Lockheed/Boeing joint venture)|


^(4 acronyms in this thread; )^(the most compressed thread commented on today)^( has 22 acronyms.)
^([Thread #8354 for this sub, first seen 27th Nov 2022, 01:53]) ^[FAQ] ^([Full list]) ^[Contact] ^([Source code])

1

Decronym t1_ixsapue wrote

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

|Fewer Letters|More Letters| |-------|---------|---| |L2|Lagrange Point 2 (Sixty Symbols video explanation)| | |Paywalled section of the NasaSpaceFlight forum| |LEO|Low Earth Orbit (180-2000km)| | |Law Enforcement Officer (most often mentioned during transport operations)|

|Jargon|Definition| |-------|---------|---| |cislunar|Between the Earth and Moon; within the Moon's orbit|


^(3 acronyms in this thread; )^(the most compressed thread commented on today)^( has 19 acronyms.)
^([Thread #8350 for this sub, first seen 25th Nov 2022, 23:03]) ^[FAQ] ^([Full list]) ^[Contact] ^([Source code])

1

Decronym t1_ixhzdnm wrote

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

|Fewer Letters|More Letters| |-------|---------|---| |CNSA|Chinese National Space Administration| |CRS|Commercial Resupply Services contract with NASA| |ESA|European Space Agency| |ISRO|Indian Space Research Organisation| |JWST|James Webb infra-red Space Telescope| |NRHO|Near-Rectilinear Halo Orbit| |NRO|(US) National Reconnaissance Office| | |Near-Rectilinear Orbit, see NRHO| |RP-1|Rocket Propellant 1 (enhanced kerosene)| |SLS|Space Launch System heavy-lift| |ULA|United Launch Alliance (Lockheed/Boeing joint venture)|

|Jargon|Definition| |-------|---------|---| |Raptor|Methane-fueled rocket engine under development by SpaceX| |kerolox|Portmanteau: kerosene fuel, liquid oxygen oxidizer|


^(11 acronyms in this thread; )^(the most compressed thread commented on today)^( has acronyms.)
^([Thread #8339 for this sub, first seen 23rd Nov 2022, 16:14]) ^[FAQ] ^([Full list]) ^[Contact] ^([Source code])

3

Decronym t1_ixhxoed wrote

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

|Fewer Letters|More Letters| |-------|---------|---| |ESA|European Space Agency| |GEO|Geostationary Earth Orbit (35786km)| |GSO|Geosynchronous Orbit (any Earth orbit with a 24-hour period)| | |Guang Sheng Optical telescopes|

|Jargon|Definition| |-------|---------|---| |Starlink|SpaceX's world-wide satellite broadband constellation|


^(4 acronyms in this thread; )^(the most compressed thread commented on today)^( has 16 acronyms.)
^([Thread #8338 for this sub, first seen 23rd Nov 2022, 16:02]) ^[FAQ] ^([Full list]) ^[Contact] ^([Source code])

1

Decronym t1_ixg37rw wrote

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

|Fewer Letters|More Letters| |-------|---------|---| |FAR|Federal Aviation Regulations| |JWST|James Webb infra-red Space Telescope| |SLS|Space Launch System heavy-lift|


^(3 acronyms in this thread; )^(the most compressed thread commented on today)^( has 38 acronyms.)
^([Thread #8334 for this sub, first seen 23rd Nov 2022, 04:21]) ^[FAQ] ^([Full list]) ^[Contact] ^([Source code])

1

Decronym t1_ixf18di wrote

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

|Fewer Letters|More Letters| |-------|---------|---| |CNC|Computerized Numerical Control, for precise machining or measuring| |ESA|European Space Agency| |KSC|Kennedy Space Center, Florida| |SLS|Space Launch System heavy-lift|

|Jargon|Definition| |-------|---------|---| |Raptor|Methane-fueled rocket engine under development by SpaceX| |cryogenic|Very low temperature fluid; materials that would be gaseous at room temperature/pressure| | |(In re: rocket fuel) Often synonymous with hydrolox| |hydrolox|Portmanteau: liquid hydrogen fuel, liquid oxygen oxidizer|


^(6 acronyms in this thread; )^(the most compressed thread commented on today)^( has 19 acronyms.)
^([Thread #8333 for this sub, first seen 22nd Nov 2022, 23:10]) ^[FAQ] ^([Full list]) ^[Contact] ^([Source code])

2

Decronym t1_ixee54s wrote

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

|Fewer Letters|More Letters| |-------|---------|---| |ESA|European Space Agency| |ETOV|Earth To Orbit Vehicle (common parlance: "rocket")| |HALO|Habitation and Logistics Outpost| |ICBM|Intercontinental Ballistic Missile| |ISRO|Indian Space Research Organisation| |Isp|Specific impulse (as explained by Scott Manley on YouTube)| | |Internet Service Provider| |JAXA|Japan Aerospace eXploration Agency| |JWST|James Webb infra-red Space Telescope| |LV|Launch Vehicle (common parlance: "rocket"), see ETOV| |SES|Formerly Société Européenne des Satellites, a major SpaceX customer| | |Second-stage Engine Start| |SSTO|Single Stage to Orbit| | |Supersynchronous Transfer Orbit| |STS|Space Transportation System (Shuttle)| |ULA|United Launch Alliance (Lockheed/Boeing joint venture)|


^(12 acronyms in this thread; )^(the most compressed thread commented on today)^( has 6 acronyms.)
^([Thread #8330 for this sub, first seen 22nd Nov 2022, 20:29]) ^[FAQ] ^([Full list]) ^[Contact] ^([Source code])

4

Decronym t1_ixd6g5j wrote

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

|Fewer Letters|More Letters| |-------|---------|---| |DSG|NASA Deep Space Gateway, proposed for lunar orbit| |DST|NASA Deep Space Transport operating from the proposed DSG| |ITAR|(US) International Traffic in Arms Regulations| |NRHO|Near-Rectilinear Halo Orbit| |NRO|(US) National Reconnaissance Office| | |Near-Rectilinear Orbit, see NRHO|


^(3 acronyms in this thread; )^(the most compressed thread commented on today)^( has 36 acronyms.)
^([Thread #8327 for this sub, first seen 22nd Nov 2022, 15:42]) ^[FAQ] ^([Full list]) ^[Contact] ^([Source code])

2

Decronym t1_ix6u87g wrote

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

|Fewer Letters|More Letters| |-------|---------|---| |CLPS|Commercial Lunar Payload Services| |ESA|European Space Agency| |JPL|Jet Propulsion Lab, California| |KSC|Kennedy Space Center, Florida| |KSP|Kerbal Space Program, the rocketry simulator| |SLS|Space Launch System heavy-lift|


^(6 acronyms in this thread; )^(the most compressed thread commented on today)^( has 23 acronyms.)
^([Thread #8317 for this sub, first seen 21st Nov 2022, 04:37]) ^[FAQ] ^([Full list]) ^[Contact] ^([Source code])

9

Decronym t1_ix5byct wrote

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

|Fewer Letters|More Letters| |-------|---------|---| |DoD|US Department of Defense| |KSC|Kennedy Space Center, Florida| |SLS|Space Launch System heavy-lift| |SRB|Solid Rocket Booster| |STS|Space Transportation System (Shuttle)|


^(5 acronyms in this thread; )^(the most compressed thread commented on today)^( has 19 acronyms.)
^([Thread #8315 for this sub, first seen 20th Nov 2022, 21:32]) ^[FAQ] ^([Full list]) ^[Contact] ^([Source code])

1

Decronym t1_ivyborn wrote

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

|Fewer Letters|More Letters| |-------|---------|---| |CNSA|Chinese National Space Administration| |COTS|Commercial Orbital Transportation Services contract| | |Commercial/Off The Shelf| |ESA|European Space Agency| |RTG|Radioisotope Thermoelectric Generator|


^(4 acronyms in this thread; )^(the most compressed thread commented on today)^( has 28 acronyms.)
^([Thread #8256 for this sub, first seen 11th Nov 2022, 14:58]) ^[FAQ] ^([Full list]) ^[Contact] ^([Source code])

1

Decronym t1_ivuzn0j wrote

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

|Fewer Letters|More Letters| |-------|---------|---| |KSC|Kennedy Space Center, Florida| |SLS|Space Launch System heavy-lift| |USSF|United States Space Force| |VAB|Vehicle Assembly Building|


^(4 acronyms in this thread; )^(the most compressed thread commented on today)^( has 16 acronyms.)
^([Thread #8252 for this sub, first seen 10th Nov 2022, 20:22]) ^[FAQ] ^([Full list]) ^[Contact] ^([Source code])

2

Decronym t1_iv5denu wrote

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

|Fewer Letters|More Letters| |-------|---------|---| |H2|Molecular hydrogen| | |Second half of the year/month| |ISRU|In-Situ Resource Utilization| |KSP|Kerbal Space Program, the rocketry simulator|


^(3 acronyms in this thread; )^(the most compressed thread commented on today)^( has acronyms.)
^([Thread #8228 for this sub, first seen 5th Nov 2022, 13:04]) ^[FAQ] ^([Full list]) ^[Contact] ^([Source code])

1

Decronym t1_iv4zidq wrote

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

|Fewer Letters|More Letters| |-------|---------|---| |ESA|European Space Agency| |ETOV|Earth To Orbit Vehicle (common parlance: "rocket")| |LV|Launch Vehicle (common parlance: "rocket"), see ETOV|


^(2 acronyms in this thread; )^(the most compressed thread commented on today)^( has 55 acronyms.)
^([Thread #8226 for this sub, first seen 5th Nov 2022, 10:23]) ^[FAQ] ^([Full list]) ^[Contact] ^([Source code])

2