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The Moderate Resolution Imaging Spectroradiometer (MODIS) is a satellite-based sensor used for earth and climate measurements. There are two MODIS sensors in Earth orbit : one on board the Terra ( EOS AM) satellite, launched by NASA in 1999; and one on board the Aqua (EOS PM) satellite, launched in 2002.
True color image of the Earth from space. This image is a composite image collected over 16 days by the MODIS sensor on NASA’s Terra satellite. NASA Earth science satellite fleet as of September 2020, planned through 2023. Earth observation satellite missions developed by the ESA as of 2019.
The data is collected via MODIS (on board Terra and Aqua) and VIIRS (on board Suomi NPP, NOAA-20 and NOAA-21) satellite instruments. [5] The spatial resolution of the MODIS instrument is 1 km × 1 km and 375 m × 375 m for VIIRS. This sets a lower limit on how accurately fires can be placed and whether a detection stems from a single larger or ...
Satellite imagery from the National Weather Service shows just how many wildfires were burning in the area this week on July 11 and 12, with heat spots in parts of Washington, Idaho, British ...
Animation showing atmosphere and shading effects in v1.4 USGS Urban Ortho-Imagery of Huntington Beach, California in older version of WorldWind (1.2) Rapid Fire MODIS – Hurricane Katrina A cyclone moving across the Indian Ocean (on normal cloud cover – not Rapid Fire MODIS) Moon – Hypsometric Map layer Mars (THEMIS layer) – Olympus Mons Hurricane Dean in NASA WorldWind Washington DC ...
VIIRS has a swath width of 3060 km at the satellite's average altitude of 829 km. [3] This swath width is able to provide complete coverage of Earth across the day. The VIIRS instrument can collect data in 22 different spectral bands of the electromagnetic spectrum, in the wavelengths between 0.412 μm and 12.01 μm. [ 3 ]
A weather satellite or meteorological satellite is a type of Earth observation satellite that is primarily used to monitor the weather and climate of the Earth. Satellites are mainly of two types: polar orbiting (covering the entire Earth asynchronously) or geostationary (hovering over the same spot on the equator ).
The Earth-observing ERS-2 satellite first launched on April 21, 1995, and it was the most sophisticated satellite of its kind at the time to be developed and launched by Europe.