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NASA FACT?

At least 10 JPL satellites and instruments orbit Earth, returning spectacular images while monitoring the Sun's energy, atmospheric activity and various aspects of the ocean, including surface winds, temperature and sea level.


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+ NASA Home > Centers > JPL > Earth

  CURRENT MISSIONS
 
 Artist concept of the Quick Scatterometer or QuickScat
Quick Scatterometer
Launch: June 19, 1999
This ocean-observing satellite carries an instrument called a scatterometer, which sends radar pulses to the ocean surface and measures the "backscattered" or echoed radar pulses bounced back to the satellite.
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 Artist concept of the Advanced Spaceborne Thermal Emission and Reflection Radiometer
Advanced Spaceborne Thermal Emission and Reflection Radiometer
Launch: December 18, 1999
This imaging instrument aboard NASA's Terra satellite is designed to obtain high-resolution global, regional and local views of Earth in 14 color bands.
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 Artist concept of the Multi
Multi-angle Imaging SpectroRadiometer
Launch: December 18, 1999
Carried onboard NASA's Terra satellite, this imaging system collects images from nine widely spaced angles as it glides above Earth.
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 Artist concept of the Active Cavity Irradiance Monitor Satellite
Active Cavity Irradiance Monitor Satellite
Launch: December 22, 1999
This satellite is designed to monitor the total amount of the Sun's energy reaching Earth.
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 Artist concept of the Jason 1 spacecraft in orbit
Jason 1
Launch: December 7, 2001
This oceanography mission is a follow-up to Topex/Poseidon and will monitor global ocean circulation and monitor events such as El Niño.
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 Artist concept of the Gravity Recovery and Climate Experiement
Gravity Recovery and Climate Experiment
Launch: Mar. 17, 2002
This joint U.S.-German mission consists of two spacecraft flying in tandem to measure Earth's gravitational field very precisely.
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 Artist concept of the Atmospheric Infrared Sounder
Atmospheric Infrared Sounder
Launch: May 4, 2002
This instrument onboard NASA's Aqua satellite makes highly accurate measurements of air temperature, humidity, clouds and surface temperatures.
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 Artist concept of the Microwave Limb Sounder
Microwave Limb Sounder
Launch: July 15, 2004
This instrument, which flies aboard NASA's Aura spacecraft, is designed to improve our understanding of ozone.
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 Workers install the Troposphereic Emission Spectrometer
Tropospheric Emission Spectrometer
Launch: July 15, 2004
This instrument onboard NASA's Aura spacecraft is an infrared sensor designed to study Earth's troposphere and look at ozone.
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  MULTIMEDIA 
 
 hurricane seen from spacecraft
Hurricane Watch From Space
Learn how scientists study and monitor hurricanes from space.
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  RELATED LINKS 
 
 Earth Wallpaper
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 El Nino / La Nina Watch
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 Where on Earth?
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