Technology / WORLD

ESA launches Biomass satellite to measure forest carbon

ESA launched its Biomass satellite from French Guiana on a Vega-C rocket on 29 April 2025. Its first signal arrived 72 minutes after liftoff.

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The satellite carries a 12-metre mesh reflector on a 7.5-metre boom and a P-band synthetic aperture radar. ESA says the radar can measure woody biomass through forest canopies.

Biomass measurements are a proxy for carbon stocks; launch did not itself provide completed global results. The release said commissioning checks were continuing.

Data

metrics

Reported indicators

Selected numerical indicators for the scope and period defined by the source.

Reflector width
12 metres
2025-04-29 · Observed
Reflector boom length
7.5 metres
2025-04-29 · Observed
Time to first signal after launch
72 minutes
2025-04-29 · Observed
Methodology

ESA launch release; first-signal time 12:27 CEST compared with liftoff at 11:15 CEST.

Updated:

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