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Home > Cassini-Huygens abbreviations

• AACS: Attitude and Articulation Control Subsystem
• ACP: Aerosol Collector and Pyrolyzer (Huygens instrument)
• ACS: Attitude Control Subsystem
• AFC: AACS Flight Computer
• ARWM: Articulated Reaction Wheel Mechanism
• ASI: Agenzia Spaziale Italiana, the Italian space agency
• BIU: bus interface unit
• CAM: Command Approval Meeting
• CAPS: Cassini Plasma Spectrometer (Cassini instrument)
• CDA: Cosmic Dust Analyzer (Cassini instrument)
• CDS: Command and Data Subsystem - Cassini computer that commands and collects data from the instruments
• CICLOPS: Cassini Imaging Central Laboratory for Operations
• CIMS: Cassini Information Management System
• CIRS: Composite InfraRed Spectrometer (Cassini instrument)
• DCSS: Descent Control Subsystem
• DISR: Descent Imager and Spectral Radiometer (Huygens instrument)
• DSCC: Deep Space Communications Center
• DSN: Deep Space Network (large antennas around the earth)
• DTSTART: Dead Time Start
• DWE: Doppler Wind Experiment (Huygens instrument)
• ERT: Earth-received time, UTC of an event
• ESA: European Space Agency
• ESOC: European Space Operations Centre
• FSW: flight software
• GCMS: Gas Chromatograph & Mass Spectrometer (Huygens instrument)
• HASI: Huygens Atmosphere Structure Instrument (Huygens instrument)
• HGA: High Gain Antenna
• HMCS: Huygens Monitoring and Control System
• HPOC: Huygens Probe Operations Center
• IEB: Instrument Expanded Blocks (instrument command sequences)
• INMS: Ion and Neutral Mass Spectrometer (Cassini instrument)
• ISS: Imaging Science Subsystem (Cassini instrument)
• IVP: Inertial Vector Propagator
• JPL: Jet Propulsion Laboratory
• LGA: Low Gain Antenna
• MAG: Dual Technique Magnetometer (Cassini instrument)
• MIMI: Magnetospheric Imaging Instrument (Cassini instrument)
• NAC: Narrow Angle Camera
• NASA: National Aeronautics and Space Administration (U.S.)
• OTM: Orbit Trim Maneuver
• PDRS: Probe Data Relay Subsystem
• PHSS: Probe Harness SubSystem
• POSW: Probe On-Board Software
• PPS: Power and Pyrotechnic Subsystem
• PRA: Probe Relay Antenna
• PSA: Probe Support Avionics
• PSE: probe support equipment
• RADAR: Radio Detection and Ranging Instrument (Cassini instrument)
• RCS: Reaction Control System
• RFS: Radio Frequency Subsystem
• RPWS: Radio and Plasma Wave Science (Cassini instrument)
• RSS: Radio Science Subsystem (Cassini instrument)
• RTG: radioisotope thermoelectric generator
• RWA: Reaction Wheel Assembly
• SCET: Spacecraft Event Time
• SCR: sequence change requests
• SKR: Saturn Kilometric Radiation
• SOI: Saturn Orbit Insertion ( 1 July 2004)
• SOP: Science Operations Plan
• SSP: Surface Science Package (Huygens instrument)
• SSR: Solid State Recorder
• SSUP: Science and Sequence Update Process
• TLA: Thermal Louver Assemblies
• UTC: Coordinated Universal Time (essentially GMT)
• UVIS: Ultraviolet Imaging Spectrometer (Cassini instrument)
• VIMS: Visible and Infrared Mapping Spectrometer (Cassini instrument)
• VRHU: Variable Radioisotope Heater Units
• WAC: Wide Angle Camera

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Cassini-HuygensCassini-Huygens is a joint NASA/ ESA unmanned space mission intended to study Saturn and its moons. The spacecraft consists of two main elements: the Cassini orbiter and the Huygens probe . It was launched on October 15, 1997 and entered Saturn's orbit on CassiniCassini was the surname of a famous family of astronomers, whose members include: Giovanni Domenico Cassini a. Jean-Dominique Cassini, Italian-French astronomer ( 1625- 1712) Jacques Cassini, French astronomer ( 1677- 1756), son of Giovanni Domenico Cesar Cassini DivisionThe Cassini Division is a 4,800 km (2,980 mile) gap between Saturn's A Ring and B Ring. It was discovered in 1675 by Giovanni Cassini. All of the gaps in Saturn's rings are caused by the gravitational pull of one or more of Saturn's moons affecting the or Cassini-Huygens timelineThis page lists a chronology of events which have occurred or are expected to occur during the Cassini-Huygens Mission to Saturn and Titan. 1997 October 15 — Cassini launched at 08:43 UTC. 1998 April 26 — Gravity-assisted flyby of Venus 1999 June 24 — Gra Cassini RegioCassini Regio is the enigmatic dark area that covers half of Saturn's moon Iapetus. It is named after Giovanni Cassini, the discoverer of Iapetus. The nature of the material that caused the extensive discoloration of Cassini Regio is not known, but it app Cassini (Lunar crater)Cassini is a lunar impact crater that is located in the Palus Nebularum, at the eastern end of Mare Imbrium. To the northeast is the Promontorium Agassiz, the southern tip of the Montes Alpes mountain range. South by south-east of Cassini is the Theaetetu Cassini-Huygens abbreviations