Europe Launches Earth Science Satellites: MTG-S1 & Copernicus Sentinel-4

Europe Launches Earth Science Missions: MTG-S1 & Copernicus Sentinel-4

Two meteorological missions—Meteosat Third Generation Sounder-1 (MTG-S1) and the Copernicus Sentinel-4 mission—have launched on board a SpaceX Falcon 9 rocket from Cape Canaveral in Florida, United States on July 1, 2025. Both Earth observation missions were developed with European partners to address scientific and societal challenges.

The MTG-S1 satellite will generate a new type of data product, especially suited to severe weather events with three-dimensional views of the atmosphere. It is the second in the MTG constellation to be prepared for orbit and is equipped with the first European operational Infrared Sounder instrument.

Copernicus Sentinel-4 will be the first mission to monitor European air quality from geostationary orbit, providing hourly information that will forecast air pollution across Europe using its ultraviolet, visible, near-infrared light (UVN) spectrometer.

The MTG mission is a cooperation between Eumetsat and the European Space Agency (ESA). ESA is responsible developing and procuring the MTG satellites.

Learn more about the MTG-S1 satellite & Copernicus Sentinel-4: 
https://www.eumetsat.int/meteosat-third-generation-sounder-1-and-copernicus-sentinel-4

United Nations: What is Climate Change?
https://www.un.org/en/climatechange/what-is-climate-change

Credit: European Space Agency (ESA)
Duration: 3 minutes, 36 seconds
Release Date: July 2, 2025

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