On the right side of the instrument is a large mirror. It's called the 'Earth Shield.' When it's in space it blocks the heat from Earth that would otherwise heat up the instrument. On the left is the instrument's radiator. The black dot in the center of the frame is the cold calibration point. The Thermal Infrared Sensor (TIRS) will fly on the next Landsat satellite, the Landsat Data Continuity Mission (LDCM). TIRS was built on an accelerated schedule at NASA's Goddard Space Flight Center, Greenbelt, Md. and will now be integrated into the LDCM spacecraft at Orbital Science Corp. in Gilbert
On the right side of the instrument is a large mirror. It's called the 'Earth Shield.' When it's in space it blocks the heat from Earth that would otherwise heat up the instrument. On the left is the instrument's radiator. The black dot in the center of the frame is the cold calibration point. The Thermal Infrared Sensor (TIRS) will fly on the next Landsat satellite, the Landsat Data Continuity Mission (LDCM). TIRS was built on an accelerated schedule at NASA's Goddard Space Flight Center, Greenbelt, Md. and will now be integrated into the LDCM spacecraft at Orbital Science Corp. in Gilbert, Ariz. The Landsat Program is a series of Earth observing satellite missions jointly managed by NASA and the Geological Survey. Landsat satellites have been consistently gathering data about our planet since 1972. They continue to improve and expand this unparalleled record of Earth's changing landscapes for the benefit of all. For more information on Landsat, visit: Credit: NASA/GSFC/Debbie Mccallum NASA image use policy. NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission. Follow us on Twitter Like us on Facebook Find us on Instagram Landsat's TIRS Instrument (6875673083)
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