Terra Satellite

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nasa.gov
https://terra.nasa.gov
Terra | The EOS Flagship
For 20 years, Terra, the flagship Earth observing satellite, has chronicled changes on Earth. Designed and built in the 1980s and 90s, NASA and Lockheed Martin engineers set out to build a satellite that could take simultaneous measurements of Earth’s atmosphere, land, and water. Its mission – to understand how Earth is changing and to ...
nasa.gov
https://terra.nasa.gov › About
About Terra
Approximately the size of a small school bus, the Terra satellite carries five instruments that take coincident measurements of the Earth system: Advanced Spaceborne Thermal Emission and Reflection Radiometer ... Terra Status: Operating instruments: ASTER, CERES, MODIS, MISR, and MOPITT are operating well. ASTER Short Wave Infrared (SWIR) data ...
nasa.gov
https://terra.nasa.gov › about › miss
Mission - Terra
Jan 11, 2025 · In December 1999, NASA launched the Terra satellite as the flagship mission of the Earth Observing System to answer these questions. Terra carries five instruments that observe Earth’s atmosphere, ocean, land, snow and ice, and energy budget. Taken together, these observations provide unique insight into how the Earth system works and how it ...
nasa.gov
https://terra.nasa.gov › about › terra-instrum
Terra Instruments
5 days ago · Terra collects data about the Earth’s bio-geochemical and energy systems using five sensors that observe the atmosphere, land surface, oceans, snow and ice, and energy budget. ... Because all five instruments are on the same satellite making simultaneous observations, scientists are able to compare different aspects of Earth’s ...
nasa.gov
https://terra.nasa.gov › areas › earth-observatory
Earth Observatory - Terra
Feb 20, 2024 · Captured by NASA’s Terra satellite’s MODIS, the image shows the iceberg nearing islands at the Antarctic Peninsula, about 1,700 kilometers from its origin. For decades, the iceberg remained anchored near the ice shelf but became unstuck in the early 2020s, likely due to underwater melting. Riding the Weddell Sea Gyre, it measures about ...
nasa.gov
https://terra.nasa.gov › about › terra-instruments › modis
MODIS - Terra
3 days ago · With its sweeping 2,330-km-wide viewing swath, MODIS sees every point on our world every 1-2 days in 36 discrete spectral bands. Consequently, MODIS tracks a wider array of the earth’s vital signs than any other Terra sensor. For instance, the sensor measures the percent of the planet’s surface that is covered by clouds almost every day.
nasa.gov
https://terra.nasa.gov › multimedia › images
Images - Terra
4 days ago · Home for the Terra Satellite Earth Observing System
nasa.gov
https://terra.nasa.gov › data
Data - Terra
3 days ago · Terra’s five instruments produce 83 core data products which are distributed through the Land Processes Distributed Active Archive Center (LPDAAC), the Atmospheric Science Data Center (ASDC), Ocean Color Web, Level 1 and Atmosphere Archive and Distribution System, and the National Snow and Ice Data Center (NSIDC).
nasa.gov
https://terra.nasa.gov › about › terras-orbit-changes
Terra’s New Orbit
Jan 8, 2025 · For nearly 20 years, the Terra satellite maintained a consistent orbital speed and altitude, resulting in a near-constant morning equator crossing time of around 10:30 AM. However, since February 2020, the Terra satellite has been allowed to drift in time to an increasingly-earlier equator crossing. In October 2020, Terra reached a 10:15 AM ...
nasa.gov
https://terra.nasa.gov › about › terra-instruments › aster
ASTER | Terra
Unlike the other instruments aboard Terra, ASTER will not collect data continuously; rather, it collects an average of 8 minutes of data per orbit. All three ASTER telescopes (VNIR, SWIR, and TIR) are pointable in the crosstrack direction.
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