Content from all Earth science data sites are migrating into this site from now until end of 2026. Not all NASA Earth science data will appear across the site until then. Thank you for your patience as we make this transition.
Read about the Web Unification Project
Earth Observation Data Basics
The life cycle of Earth observation data is rich and complex, with many points of entry along the pipeline. From collection to visualization, we dive deep into the basics to demystify the incredible data in our catalog.
3 MIN READ
Active instruments emit energy and collect data based on changes in the return signal.
4 MIN READ
Standard data products are those with an internally consistent, well-calibrated record of Earth’s geophysical properties to support science.
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