As used in the Future Learn course on Earth Observation: https://www.futurelearn.com/courses/observing-earth-from-space https://www.futurelearn.com/courses/obse

As used in the Future Learn course on Earth Observation: https://www.futurelearn.com/courses/observing-earth-from-space https://www.futurelearn.com/courses/observing-earth-from-spa...