Want to go deeper? ESA, Sentinel-1 has the full story and the latest updates.
For Further InformationSentinel-1 radar sees through clouds, day and night, to map floods, earthquakes and ice; Sentinel-1C and 1D joined in 2024 and 2025.
Image: NASA/JPL-Caltech (contains Copernicus Sentinel-1 data, ESA).
Last reviewed: 1 source cited
A 693 km The curved path an object takes as it travels around a planet, moon or star, like a satellite circling Earth. Glossary, covering the whole planet.
Source: ESA, Sentinel-1
Continuous radar imagery for disaster response, ice, land and ocean monitoring.
Source: ESA, Sentinel-1
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The Copernicus Sentinel-1 satellites carry an advanced radar that supplies all-weather, day-and-night imagery of Earth's surface. Sentinel-1C launched on December 5, 2024 and Sentinel-1D on November 4, 2025, renewing the fleet. Recent ESA stories show it measuring ground movement after earthquakes and major ice loss from Greenland glaciers.
Source: ESA, Sentinel-1
Radar that ignores weather is vital when storms and floods hit.
Want to go deeper? ESA, Sentinel-1 has the full story and the latest updates.
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APA
Saving Planets. (n.d.). Copernicus Sentinel-1 (ESA). https://www.savingplanets.com/Sentinel-1.html
MLA
"Copernicus Sentinel-1 (ESA)." Saving Planets, https://www.savingplanets.com/Sentinel-1.html.
