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How Does the SMAP Satellite Mission Take Measurements All the Way from Space?

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Brian Campbell
Published Date8 Years Ago - 21713 Views

Have you ever wondered how the SMAP satellite, with an altitude of 685 km (425 miles) above the Earth, can take measurements as precise as the amount of water in the Earth's soil? The quick answer is that it requires precisely calibrated instruments, along with a technological marvel in satellite design. SMAP was designed to use a combination of two precise instruments, one with high...


Posted in: Curriculum: Science and Math Technology Field Campaigns: SMAP GLOBE Science Topics: Earth System Science Investigation Areas: Pedosphere (Soil) Primary Audience: Trainers Teachers Students Partners Scientists Alumni Country Coordinators
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