Scientists use multispectral imaging to measure what they can't touch
Civilian space scientists who use spectral signatures to study the planets have the same problems as military users of the technique—multiplied by astronomical distances. While military officers apply hyperspectral imaging to learn about enemy territory in the next valley or on the next continent, scientists are separated from their targets by millions of miles of vacuum, space debris and deadly radiation. Even when their robotic probes are able to draw near their objectives, they ...
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