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With just a few hours to go before the launch of the Biomass mission from Europe’s Spaceport in French Guiana, here is a look back at the key stages in the preparation of this unique satellite.

On Tuesday, 29 April 2025, at 6:15 a.m., as the sky over Kourou was bathed in the first light of dawn, the Vega C rocket successfully lifted off from Europe's Spaceport in French Guiana.

On April 29, 2025, Vega-C will launch Biomass, the European Space Agency’s Earth Explorer satellite from Europe spaceport at 6:15 a.m. local time (09:15 a.m. UTC, 11:15 a.m. CEST).

The hot-fire test of the new P160C motor, intended for Ariane 6, Vega-C, and Vega-E, is scheduled for 24 April between noon and 4 p.m. It will be conducted at Europe’s Spaceport on the solid booster test bench (BEAP).

On April 29, 2025, Vega-C will launch Biomass satellite from Europe’s Spaceport in French Guiana at 6:15 a.m. local time (09:15 a.m. UTC, 11:15 a.m. CEST).

ESA’s Biomass satellite has arrived at Europe’s spaceport, where it will prepare for a launch scheduled for late April onboard a Vega-C rocket.

Following its successful maiden flight in July 2024, Ariane 6 completed its second mission from Europe’s spaceport on Thursday 6 March at 13:24 local time in French Guiana. Its payload, the CSO-3 satellite, was placed in sun-synchronous orbit.

Mission VA263 will take off this Thursday, 6 March at 1:24 pm (Kourou), 5:24 pm (Paris) and 4:24 pm (UTC). It will put into orbit the observation satellite CSO-3. Focus on the mission.

The first commercial flight of Ariane 6, originally scheduled for Monday 3 March, has been postponed to Thursday 6 March 13:24 (Kourou), 17:24 (Paris), 16:24 (UTC).

The first commercial flight of Ariane 6, originally scheduled for Wednesday 26 February, has now been postponed to Monday 3 March, 13:24 (Kourou), 17:24 (Paris), 16:24 (UTC).