Remote sensing
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Remote sensing is the acquisition of information about an object or phenomenon without making physical contact with the object, in contrast to in situ or on-site observation. The term is applied espec
Synthetic aperture radar image of Death Valley colored using polarimetry
Illustration of remote sensing
Estimates of changes in water storage around the Tigris and Euphrates Rivers, measured by NASA's GRACE satellites. The satellites measure tiny changes in gravitational acceleration, which can then be processed to reveal movement of water due to changes in its total mass.
The TR-1 reconnaissance/surveillance aircraft
Earth observation satellite
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An Earth observation satellite or Earth remote sensing satellite is a satellite used or designed for Earth observation from orbit, including spy satellites and similar ones intended for non-military u
Remote sensing
…platforms such as Landsat have been in use since the early 1970s. These thematic mappers take images in multiple wavelengths and are usually found on Earth observation satellites, including (for example) the Landsat program or the IKONOS satellite. Maps of land cover and land use from thematic mapping can be used to prospect for…
Six Earth observation satellites comprising the A-train satellite constellation as of 2014
GOES-8, a United States weather satellite
RapidEye Earth exploration-satellite system in action around the Earth
STS115 Atlantis undock ISS edit 2