FLEX and Sentinel-3C launch (Official broadcast)

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ESA’s FLEX satellite and the Copernicus Sentinel-3C satellite are set to launch on 15 September at 03:21 CEST (14 September at 22:21 local time). Watch the launch programme live from Europe’s Spaceport in French Guiana, with streaming starting at 02:50 CEST and continuing until 05:36 CEST. FLEX will provide new insights into how plants function by measuring the faint fluorescence they emit as they capture sunlight during photosynthesis. This unique measurement will help scientists better understand plant health and productivity, as well as how vegetation responds to a changing environment. Sentinel-3C is the third satellite in the Sentinel-3 mission, which systematically monitors Earth’s oceans, land, ice and atmosphere. The mission as a whole contributes to a better understanding of large-scale processes and dynamics across our planet. Chapters: 00:00 Livestream begins 30:50 Launch 1:31:50 Sentinel-3C separates 2:27:10 FLEX separates ★ Subscribe: http://bit.ly/ESAsubscribe and click twice on the bell button to receive our notifications. We are Europe's gateway to space. Our mission is to shape the development of Europe's space capability and ensure that investment in space continues to deliver benefits to the citizens of Europe and the world. Check out https://www.esa.int/ to get up to speed on everything space related. Copyright information about our videos is available here: https://www.esa.int/ESA_Multimedia/Terms_and_Conditions

Published 2026-09-15 · Watch on YouTube ↗
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