We are in the process of migrating all NASA Earth science data sites into Earthdata from now until end of 2026. Not all NASA Earth science data and resources will appear here until then. Thank you for your patience as we make this transition.
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Featured Data Basics
15 MIN READ
Learn the basics about remotely-sensed data, from instrument characteristics to different types of resolution to data processing and analysis.
May 18, 2021
3 MIN READ
The SAR Handbook was created in 2019 as a guide for forest monitoring and biomass estimation with synthetic aperture radar (SAR).
April 16, 2025
Filters
1 MIN READ
The dataset lifecycle Collection Progress element describes where the dataset is in the dataset lifecycle.
June 16, 2025
3 MIN READ
The SAR Handbook was created in 2019 as a guide for forest monitoring and biomass estimation with synthetic aperture radar (SAR).
April 16, 2025
9 MIN READ
NASA Earth observation data are provided in different formats to meet varying user needs.
Oct. 18, 2024
34 MIN READ
Reference the Earth Observation Data Basics Glossary to better understand terms related to the data provided by our program.
Aug. 7, 2024
4 MIN READ
The application of artificial intelligence (AI) to Earth science data makes it possible to search through large amounts of data to find relationships.
June 17, 2024
4 MIN READ
Cloud computing is the ability to access and work with data virtually in a cloud-based environment.
June 14, 2024
4 MIN READ
General rules of thumb for interpreting synthetic aperture radar (SAR) imagery and resources for viewing SAR imagery.
June 10, 2024
1 MIN READ
View a table of synthetic aperture radar (SAR) products and their processing levels available through NASA's Earth Science Data Systems (ESDS) Program.
June 7, 2024
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