Take the moon as a "satellite" to monitoring the earth

What is it about?

With the development of space technology, the moon-based earth observation system may be set up in the coming future. The moon is the only natural satellite of earth, and an observatory located on the moon would be able to continuously and comprehensively monitor the earth on a global scale.

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Why is it important?

There are several characteristics of Moon-based Earth observation: “Longevity” – The Moon is a longstanding, essentially permanent platform, “Integrity” – Moon-based earth observation allow to view the whole Earth disk at any given time and Earth’s entire surface in a day, “Stability” - Moon has vast spaces on which to install a set of sensors to form a long, stable baseline of large observational networks for precise measurement and “Uniqueness” - The lunar platform provides a unique perspective for Moon-related terrestrial phenomena. These characteristics give advantage for moon-based earth observation especially for phenomena that have at least one of the following features: long-lasting, related to Sun–Earth–Moon motion, requires stable baseline observation, large-scale and describes multiple parameters.

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