Due to the lapse in federal government funding, NASA is not updating this website. We sincerely regret this inconvenience.
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.
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
32 MIN READ
NASA’s Earth Observing System Data and Information System (EOSDIS) curates a list of commonly-used data science terms.
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
SHOWING 8 OF 20