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Europe launches two Earth-observation satellites amidst a busy week for China

The mission deployed FLEX and Sentinel-3C successfully, extending Europe’s Earth-observation fleet with vegetation and ocean monitoring data.

  • On Monday, Sept. 14, an Avio-operated Vega C rocket launched from French Guiana, successfully deploying two European Space Agency Earth-observation satellites, FLEX and Sentinel-3C, at an altitude of about 509 miles.
  • FLEX, the 875-pound satellite, will monitor vegetation fluorescence to aid agricultural management, while the 2,520-pound Sentinel-3C joins the Copernicus Earth-observation program for climate monitoring.
  • Marking the second launch managed by Italian company Avio, the 115-foot-tall Vega C has completed seven flights since its July 2022 debut, with six successes.
  • European success arrives amid a busy week for global space activity, with Chinese firms Landspace and Orienspace scheduling launches of the ZhuQue-2E Block 2 and Gravity 1 rockets.
  • Global launch operations continue through Wednesday, with the China Aerospace Science and Technology Corporation preparing a Long March 12 rocket and Roscosmos scheduling the Progress MS-35 cargo mission to the International Space Station.
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16 Articles

France24France24
+2 Reposted by 2 other sources
Center

The two Earth observation satellites were placed in heliosynchronous orbit almost two hours after this take-off Monday at 2221 (01H21 Tuesday GMT), observed an AFP correspondent from the Guiana space base. The flight was operated by the Italian Avio, which was the second launch of the year from the European space port. Developed by Thales Alenia Space on behalf of the European Space Agency (ESA), Flex (FLuorescence EXplorer) will provide data on…

·Issy-les-Moulineaux, France
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Lean Left

Operated by Italian Avio, the mission of this flight is to place two satellites to monitor the climate and health of plants from space.

·Paris, France
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Right

In French Guiana, a rocket carrying two European climate satellites was launched shortly after 10:21 PM local time on the night of September 14 to 15. The satellites are intended to help scientists better understand the effects of climate change.

·Apeldoorn, Netherlands (Kingdom of the)
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ESA successfully launched the FLEX and Sentinel-3C observation satellites aboard the Vega-C rocket. Read how they will monitor climate and vegetation.

At the European space station in Kourou in French Guiana, the first satellite was launched into space on Tuesday, which is to measure the photosynthesis activity of the plants from its orbit. In addition to the novel "Fluorescence Explorer" (FLEX), the already existing Earth observation fleet of the EU Commission's "Copernicus" program was also further increased, as the European Space Agency (ESA) announced. [...]

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Space broke the news in New York, United States on Monday, September 14, 2026.
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