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Copernicus Sentinel-1D manoeuvred into place

Copernicus Sentinel-1D completes final testing

Copernicus Sentinel-1D leaves Thales Alenia Space facilities

Second MTG-Imager in the thermal vacuum chamber

Second MTG-Imager undergoes thermal vacuum testing

Second MTG-Imager passes thermal vacuum test

Galileo and Celeste

Celeste

Celeste in-orbit demonstration satellites orbiting

Celeste mission patch

HydroGNSS undergoes testing at Surrey Satellite Technology facilities

HydroGNSS at Surrey Satellite Technology facilities

Members of ESA’s HydroGNSS team

MetOp-SG-A1 Radio Occultation data

MetOp-SG-A1 Microwave Sounder data

First glimpse of MetOp-SG-A1 Microwave Sounder data

Maria Celeste

HydroGNSS

FLEX instrument mounted on its satellite

This Copernicus Sentinel-3 image shows high concentrations of chlorophyll in yellow-green along the coastline of South Australia, near Adelaide. Chlorophyll-a is a key indicator of the presence of algae in the ocean.

Lake-surface temperature highs and lows 2024

Lake-surface temperature lows 2024

Soil moisture anomalies over 2024 compared to 1991–2020

Extent of Arctic permafrost 1997 and 2021

BAMS State of the Climate Report 2024

Sea-level charting satellite arrives at California launch site

Iberian fires August 2025

Fire hotspots and carbon monoxide concentrations

Fires northeast Portugal and northwest Spain

Arctic Weather Satellite reveals ice clouds

Arctic Weather satellite improves wind forecasts

Arctic Weather Satellite offers clearer view of cyclones

FLEX instrument installed on its satellite

EarthCARE measures Doppler velocity of a mid-latitude cyclone over Iceland

The development of ESA’s Earth Explorer FLEX mission has recently passed a significant milestone: the mission’s all-important instrument has been joined to its satellite platform.

Lowering FLEX instrument onto satellite platform

Antarctic glaciers and the Southern Ocean food chain

The Balleny Islands in the Southern Ocean

Collecting phytoplankton samples in the Southern Ocean

Phytoplankton seen with scanning electron microscopy

Penguins resting on Antarctic sea ice

Antarctic yearly mean sea ice extent, 1997–2023

Chlorophyll-a concentration around the Antarctic

MetOp-SG-A1 and Sentinel-5 on their way to orbit aboard Ariane 6

MetOp-SG-A1 and Sentinel-5 lift off aboard Ariane 6

Ariane 6 takes MetOp-SG-A1 and Sentinel-5 into orbit

Ariane 6 lofts MetOp-SG-A1 and Sentinel-5 into orbit

Ariane 6 taking MetOp-SG-A1 and Sentinel-5 into orbit

MetOp-SG-A1 and Sentinel-5 take to the skies

MetOp-SG-A1 and Sentinel-5 on their way to orbit

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