This video is from https://www.futurelearn.com/courses/c... ‘Monitoring Climate from Space’ is a free online course by the European Space Agency (ESA) available on FutureLearn.com

In this video, Professor Martin Wooster guides us through some of the basic principles used to observe the Earth from space, including a brief description of electromagnetic radiation, ‘passive’ and ‘active’ remote sensing approaches, and the main types of orbit from which satellites can observe the Earth at the necessary spatial and temporal scales.

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