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Rover Environmental Monitoring Station

From Wikipedia, the free encyclopedia

Rover Environmental Monitoring Station (REMS)
REMS on Mars
OperatorNASA / JPL
ManufacturerSpanish Astrobiology Center (CSIC-INTA)
Instrument typeweather station
Host spacecraft
SpacecraftCuriosity rover
OperatorNASA / JPL
Temperatures on Mars from REMS on the Curiosity Rover (August 16/17, 2012).

Rover Environmental Monitoring Station (REMS) is a weather station on Mars for Curiosity rover contributed by Spain and Finland.[1][2] REMS measures humidity, pressure, temperature, wind speeds, and ultraviolet radiation on Mars.[3] This Spanish project is led by the Spanish Astrobiology Center and includes the Finnish Meteorological Institute as a partner,[4][5] contributing pressure and humidity sensors.[4][6]

MSL Rover Environmental Monitoring Station
Closeup of a REMS sensor

YouTube Encyclopedic

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  • MISSION TO MARS | Spacecraft, Habitats and Radiation Protection | NASA Talk

Transcription

Overview

All sensors are located around three elements: two booms attached to the rover Remote Sensing Mast (RSM), the Ultraviolet Sensor (UVS) assembly located on the rover top deck, and the Instrument Control Unit (ICU) inside the rover. Goals include understanding Martian general circulation, microscale weather systems, local hydrological cycle, destructive potential of UV radiation, and subsurface habitability based on ground-atmosphere interaction.[4][5]

By August 18, 2012, REMS was turned on and its data was being returned to Earth.[2] The temperature at that time: 37 degrees Fahrenheit (2.8 degrees Celsius).[2] On August 21, 2012, one of two anemometers returned data with errors. After testing it was concluded that it was broken, probably hit by a rock on descent.[7] Martian winds can still be detected with the other sensor.[7]

Reports are posted on the Center for Astrobiology website and Twitter daily.[8][9]

Parts of REMS[10]

  • Instrument Control Unit
  • Ultraviolet Sensor
  • Boom 1 with:
    • Air Temperature Sensor
    • Wind Sensor
    • Ground Temperature Sensor
  • Boom 2 with:
    • Air Temperature Sensor
    • Wind Sensor
    • Humidity Sensor

The pressure sensor can detect pressures from 1 to 1150 Pa (Pascal) (0.000145038 PSI to 0.1667934 PSI).[11] For comparison, 1 atmosphere is 101,325 Pascals or 14.7 PSI.[12]

The air temperature, wind speed and direction sensor for InSight Mars lander (planned for 2018 launch) is based on REMS, also contributed by Spain.[13]

Results

Graph of temperatures at Gale crater

See also

References

  1. ^ Spain Supplies Weather Station for Next Mars Rover - Marsdaily
  2. ^ a b c W. Harwood - Curiosity's Mars travel plans tentatively mapped - CBS
  3. ^ "Rover Environmental Monitoring Station for MSL mission" (PDF). 4th International workshop on the Mars Atmosphere: modelling and observations. Pierre und Marie Curie University. February 2011. Retrieved 2012-08-06.
  4. ^ a b c "MSL Science Corner: Rover Environmental Monitoring Station (REMS)". NASA/JPL. Archived from the original on March 20, 2009. Retrieved September 9, 2009.
  5. ^ a b "Mars Science Laboratory Fact Sheet" (PDF). NASA/JPL. Retrieved June 20, 2011.
  6. ^ Finnish technology lands on Mars - UUTISET
  7. ^ a b Materia - El sensor de viento español de 'Curiosity' se estropea (Google Translate)
  8. ^ "Mars Weather". Archived from the original on 2012-08-23. Retrieved 2012-08-23. Center for Astrobiology
  9. ^ https://twitter.com/MarsWxReport REMS on Twitter
  10. ^ "Rover Environmental Monitoring Station (REMS)". Archived from the original on 2016-12-20. Retrieved 2016-12-07.
  11. ^ "Rover Environmental Monitoring Station (REMS)". an.rsl.wustl.edu. Archived from the original on 2016-12-20. Retrieved 2018-01-24.
  12. ^ "The MSDS HyperGlossary: Pressure Unit Conversions". www.ilpi.com. Retrieved 2018-01-24.
  13. ^ http://sites.nationalacademies.org/cs/groups/ssbsite/documents/webpage/ssb_086912.pdf[bare URL PDF]

External links

Look up REMS in Wiktionary, the free dictionary.
This page was last edited on 9 March 2023, at 07:48
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