Earth Imaging Journal: Remote Sensing, Satellite Images, Satellite Imagery
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Two Dove satellites built and operated by Planet Labs were set into space via the NanoRacks CubeSat Deployer aboard the International Space Station. (Credit: NASA)

In May 2016, 17 CubeSats were released by the NanoRacks CubeSat Deployer on the International Space Station. The Dove satellites are part of a constellation designed, built and operated by Planet Labs to take Earth images for humanitarian and environmental applications ranging from monitoring deforestation and urbanization to improving natural-disaster relief and agricultural yields in developing nations.

Unlike traditional satellite missions that carry a significant number of custom-built, state-of-the-art instruments, CubeSats are designed to take narrowly targeted scientific observations, with only a few instruments, often built from off-the-shelf components. The Planet Labs satellites, now with more than 100 in space, fit the CubeSat 3U form factor of 10 by 10 by 30 centimeters and weigh approximately four kilograms.

 

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