# Data portals

Overview of data portals from where satellite observations are downloaded.

- The main portal for Sentinel data is the Copernicus DataSpace. See the cso_dataspace module module for a detailed description.

- The Product Algorithm Laboratory, or more specific, the S5P-PAL Data Portal provides pre-operational Sentinel-5P data. See the cso_pal module module for a detailed description.

- The Norwegion ColHub archive is a (partial) mirror of the Copernicus DataSpace, with all orbits covering Norway and surrounding areas. See the cso_colhub module module for a detailed description.

- The NASA EarthData archives could be accessd via EarthAccess; see the cso_earthaccess module module for info.