ESA Earth Observation @esaearth.esa.int · 15hTyphoon Surigae over the Philippine Sea 🌀 On 28 September, Copernicus Sentinel-1 captured this false-colour, polarised radar image of the sea beneath the storm. Calmer seas at its eye appear dark blue, while orange and yellow show rough conditions and strong winds. www.esa.int/ESA_Multimed... 29419
ESA Earth Observation @esaearth.esa.int · 19hIRIDE’s Eaglet II constellation is complete🛰️ The final satellites reached orbit on 1 October, equipped with multispectral sensors that will capture images of Earth’s surface for applications including land monitoring, coastal observation and emergency mapping. 🔗 www.esa.int/Applications... 📸SpaceX 2457
ESA Earth Observation @esaearth.esa.int · 01/10/2026'Where on Earth': Special edition Can you name this sea? 0102
ESA Earth Observation @esaearth.esa.int · 01/10/2026EarthCARE tracked Anak Krakatau’s volcanic plume 🌋 Following the eruption on 4 September, the satellite captured the plume’s vertical structure, revealing layers of ash, gases and aerosols at different altitudes and supporting aviation safety. More 👉 www.esa.int/Applications... 0335
ESA Earth Observation @esaearth.esa.int · 30/09/2026Old satellite data still have plenty to tell us🔍 @esa.int FDR4VGT project is enhancing more than 20 years of observations from SPOT-VGT and PROBA-V, creating a consistent long-term record for studying Earth’s land surface and climate. earth.esa.int/eogateway/su...earth.esa.intEnhancing 20 years of global daily land monitoring with FDR4VGT - Earth OnlineESA's Fundamental Data Record for VGT (FDR4VGT) project is improving the quality and consistency of more than two decades of global daily land monitoring observations. 0182
ESA Earth Observation @esaearth.esa.int · 29/09/2026What if a lake just…disappeared?🫥 Ephemeral lakes fill after heavy rain, then disappear as the water evaporates or drains away. Despite being temporary, they can provide important habitats and breeding areas for wildlife. 🎞️contains modified Copernicus Sentinel data (2017, 2024), processed by ESA. 0142
ESA Earth Observation @esaearth.esa.int · 28/09/2026What started as an experiment is now the world's largest SAR constellation. Since 2018, @esa.int has worked with ICEYE to bring its radar data to users, from disaster response to maritime monitoring, through Third Party Missions and Copernicus Contributing Missions. 🔗 earth.esa.int/eogateway/su...earth.esa.intHow ESA helped ICEYE scale from start-up to strategic partner - Earth OnlineWhen ICEYE launched its ICEYE-X1 satellite in January 2018, the Finnish company was testing an unproven idea: that a radar imaging satellite weighing less than 100 kilograms could deliver high-resolut... 0181
ESA Earth Observation @esaearth.esa.int · 25/09/2026And then there were three🛰️ ESA’s Programme Board for Earth Observation has selected ECO, Keystone and CryoRad to progress to the next phase toward Earth Explorer 12. The three concepts would investigate Earth’s energy balance, the upper atmosphere & polar ice sheets. 🔗 www.esa.int/Applications...esa.intThree Earth Explorer candidates go forward 1134
ESA Earth Observation @esaearth.esa.int · 25/09/2026Can you spot the boat traffic?👀 Venice's story has always been written on water. In this IRIDE image, boat wakes criss-cross the Venetian Lagoon while shifting shades of blue reveal changing water conditions. Beyond the city, wetlands and salt marshes support wildlife. www.esa.int/ESA_Multimed... 0229
ESA Earth Observation @esaearth.esa.int · 24/09/2026Fancy a chat about Earth observation? 🤖 Ameca and Frankie are two humanoid robots that let people interact with EVE, ESA Φ-lab’s Earth Virtual Expert, simply by talking to them, helping users explore satellite imagery and more through natural conversation. 🔗 philab.esa.int/exploring-ev... 171
ESA Earth Observation @esaearth.esa.int · 24/09/2026Can you guess where this location is? This week's "Where on Earth" is full of clues, if you look at it from a different angle.🕵️ 8214
ESA Earth Observation @esaearth.esa.int · 23/09/2026Who is ready for a change of season? 🍂🌱 The September equinox marks autumn in the Northern Hemisphere and spring in the Southern, as the Sun crosses the equator. MTG-I1 captured it from space ⤵️ 📹 @esa.int / @eumetsat.int 216349
ESA Earth Observation @esaearth.esa.int · 22/09/2026The Earth Observation Virtual Constellation is growing. ESA Φ-lab & the EOVC consortium are looking for new collaborators, bringing together space and ground assets that can dynamically coordinate their activities as part of a unified system. Find out more: philab.esa.int/esa-%CF%86-l... 📷CS Group 2172
ESA Earth Observation @esaearth.esa.int · 21/09/2026What if we could 'see' beneath the desert sands? 🏜️ Designed primarily to study forests, @esa.int’s Biomass mission is also helping scientists investigate ancient river systems hidden beneath the Sahara, thanks to its unique P-band radar. Read the full story🔗 earth.esa.int/eogateway/su...earth.esa.intBiomass helps study ancient rivers below deserts - Earth OnlineScientists have been using satellites for decades to study hydrological structures hidden below the sand in deserts. Now, with its unique P-band synthetic aperture radar, Biomass is playing a role too... 13512
ESA Earth Observation @esaearth.esa.int · 18/09/2026Things get colourful high in the Andes 👀 False colour brings out the contrasts in this Copernicus Sentinel-2 image of the Andean Altiplano, home to volcanoes, salt flats and lagoons, including Laguna Colorada, a shallow salt lake known for its red waters and flamingos. www.esa.int/ESA_Multimed... 15712
Reposted by ESA Earth ObservationESA Operations @operations.esa.int · 17/09/2026After 34 intense hours, the team at @esa.int’s #ESOC completed the launch and early orbit phase (LEOP) for #Copernicus #Sentinel-3C, following its launch alongside #FLEX on 15 September. Congratulations to everyone who made this milestone possible. 👏 📷ESA/J.Mai 1303
ESA Earth Observation @esaearth.esa.int · 17/09/2026ESA has awarded contracts to ICEYE and Leonardo for architecture studies supporting the future Earth Observation Governmental Service. These studies contribute to the ERS-EO programme, a strategic effort to strengthen Europe’s resilience, security and autonomy. 🔗 www.esa.int/Applications...esa.intESA awards contracts for Europe’s EOGS blueprintThe European Space Agency has awarded two contracts, one to ICEYE and one to Leonardo, to carry out parallel architecture studies for the EU’s future Earth Observation Governmental Service (EOGS).Thes... 1316
ESA Earth Observation @esaearth.esa.int · 17/09/2026Where on Earth is this? Over to you! Share your guess ⤵️ 2172
ESA Earth Observation @esaearth.esa.int · 16/09/2026Nearly 5 decades of satellite data reveal the scale of polar ice loss🧊 Using data from 27 missions, including @esa.int's CryoSat & Copernicus Sentinels, a new study found that Greenland and Antarctica lost 11.3 trillion tonnes of ice since the 1970s: www.esa.int/Applications... 📹Otosaka et al(2026) 12519
ESA Earth Observation @esaearth.esa.int · 15/09/2026Using EarthCARE to fine-tune climate models ☁️ Scientists compared EarthCARE observations with a regional climate model and found mismatches in how some clouds were represented, helping identify where the model could be improved. Read more 👇 earth.esa.int/eogateway/su...earth.esa.intEarthCARE helps scientists fine-tune climate models over Greenland - Earth OnlineEarthCARE makes a range of measurements that together shed new light on the role that clouds and aerosols play in regulating Earth’s climate. In a recent study, scientists used a regional climate mode... 0191
ESA Earth Observation @esaearth.esa.int · 15/09/2026Did you miss the overnight launch? 🚀 Catch the highlights from the liftoff of ESA’s FLEX and Copernicus Sentinel-3C aboard Vega-C, launching two Earth observation missions on one rocket. www.esa.int/ESA_Multimed... 📹 ESA 1206
ESA Earth Observation @esaearth.esa.int · 15/09/2026Two satellites launched, two signals received 📡 FLEX and Copernicus Sentinel-3C are both in orbit and in contact with ground control. 0364
ESA Earth Observation @esaearth.esa.int · 15/09/2026ESA's FLEX has joined the chat!✅ First contact with our newest Earth Explorer has been established. 0222
ESA Earth Observation @esaearth.esa.int · 15/09/2026End of the line for FLEX! 🛰️ ESA’s FLEX satellite has separated from Vega-C and is officially flying solo. Thanks for the ride, @transport.esa.int 👋 0222
ESA Earth Observation @esaearth.esa.int · 15/09/2026And… we’re connected! Copernicus Sentinel-3C has just sent back its first signall! 📢 0296
ESA Earth Observation @esaearth.esa.int · 15/09/2026Update from space ✨ Copernicus Sentinel-3C just separated from the Vega-C rocket, leaving onboard only the FLEX spacecraft, due to separate later. 0132
Reposted by ESA Earth ObservationEuropean Space Agency @esa.int · 15/09/2026Liftoff! 🚀 FLEX and Sentinel-3C are on their way. Vega-C #VV30 has departed Europe’s Spaceport carrying the two Earth observation satellites into orbit. @esaearth.esa.int @transport.esa.int @operations.esa.int 220830
ESA Earth Observation @esaearth.esa.int · 14/09/2026Another day, another launch 🚀 Later tonight, @esa.int's FLEX satellite and Copernicus Sentinel-3C are set to launch together on the same Vega-C rocket. Livestream starts at 02:50 CEST on 15 September, with liftoff scheduled for 03:21 CEST. See you on ESA WebTV Two! 🔗 www.esa.int/Applications...esa.intFLEX and Sentinel-3C ready for liftoff on Vega-CTwo Earth observation satellites – ESA’s Fluorescence Explorer (FLEX) satellite, and the third satellite for the Copernicus Sentinel-3 mission – are encapsulated inside the nose cone of a Vega-C launc... 0249
ESA Earth Observation @esaearth.esa.int · 11/09/2026Did you know that plants glow? 🌱 The signal is invisible to our eyes, but ESA’s FLEX mission will measure it from space to learn more about photosynthesis and plant health. Ahead of launch, discover 10 quirky facts about plant fluorescence 👉 www.esa.int/Applications... 📷ESA/ATG medialab 1182
Reposted by ESA Earth ObservationJosef Aschbacher @josefaschbacher.esa.int · 11/09/2026The International Space Summit marked an important step in shaping a common European vision for space exploration. #ParisSpaceSummit 33910
ESA Earth Observation @esaearth.esa.int · 11/09/2026VOCALIS 2026 registration is now open! Join experts and stakeholders from 21–25 September 2026 to discuss Sentinel-3 validation, CRISTAL Cal/Val preparations and future strategies for cryosphere and hydrology missions. 🔗 Register by 18 September: vocalis2026-workshop.noveltis.fr 061
ESA Earth Observation @esaearth.esa.int · 11/09/2026The rocky formations of Halong Bay, in Vietnam 🇻🇳 Designated a UNESCO World Heritage site in 1994, the bay is home to a cluster of islands and islets. In this Copernicus Sentinel-2 image, you can spot Cát Bà island, Halong and open-pit coal mines along the coastline. 🔗 www.esa.int/ESA_Multimed... 0186
ESA Earth Observation @esaearth.esa.int · 10/09/2026Calling media representatives 📣 Join us at ESA’s ESOC on 15 September for the FLEX & Sentinel-3C launch re-watch, mission updates and a chance to engage with senior representatives from the organisations behind Europe’s latest EO missions. Register by 11 September: www.esa.int/Newsroom/Pre... 1156
ESA Earth Observation @esaearth.esa.int · 10/09/2026Are you up for a challenge?👀 Where on Earth do you think these islands are? 183
Reposted by ESA Earth ObservationJosef Aschbacher @josefaschbacher.esa.int · 10/09/2026Will we be passengers or pilots? Customers or service providers? Tenants or architects? At the International Space Summit, I argued that Europe must take steps now to shape its own future in space. Read my full speech 🧑🚀🚀 esamultimedia.esa.int/docs/corpora... #ParisSpaceSummit 79621
ESA Earth Observation @esaearth.esa.int · 09/09/2026A show you won't want to miss!🚀 ESA's FLEX and Copernicus Sentinel-3C are scheduled to launch on 15 September at 03:21 CEST (14 September, 22:21 local time) from Europe's Spaceport in French Guiana. 📺Follow the livestream on 15 September at 02:50 CEST. www.esa.int/Applications... 📷ESA-P. Carril 1295
Reposted by ESA Earth ObservationJosef Aschbacher @josefaschbacher.esa.int · 09/09/2026Last night we brought together astronauts, ministers, industry leaders and space enthusiasts to celebrate the imagination, innovation and cooperation that define Europe's journey in space. From Earth orbit to deep space, we were reminded that today's ambitions become tomorrow's achievements. 113121
ESA Earth Observation @esaearth.esa.int · 09/09/2026MTG-I2 has reached geostationary orbit 🛰️ Just 12 days after launch, the satellite is now 36000 km above Earth and has completed its launch and early orbit phase. Together with its sister satellites, MTG-I2 will support weather forecasting across Europe and North Africa. www.esa.int/Applications...esa.intMTG-I2 reaches its final orbitEurope’s Meteosat Third Generation Imager 2 (MTG-I2) satellite has reached its designated orbit at 36 000 km from Earth and is ready to begin its commissioning phase, preparing it to provide years of ... 27715
ESA Earth Observation @esaearth.esa.int · 08/09/2026Have you submitted your abstract for the 2nd European Workshop on Artificial Nighttime Light Remote Sensing? Join us at ESRIN to explore measurement techniques, applications of artificial nighttime lighting across different fields & potential societal benefits. 🔗 nikal.eventsair.com/optical-nigh... 0100
ESA Earth Observation @esaearth.esa.int · 08/09/2026Volcanic plume rises from Anak Krakatau 🌋 Copernicus Sentinel-3 captured this image on 5 September, a day after the eruption began. The white plume shows volcanic gases carried high into the atmosphere, while brown clouds of ash and debris drift at a lower altitude. www.esa.int/ESA_Multimed... 110034
ESA Earth Observation @esaearth.esa.int · 07/09/2026What do you know about Copernicus Sentinel-3? Since 2016, Sentinel-3 has been monitoring oceans, land, ice & the atmosphere, helping us understand climate change. Ahead of Sentinel-3C’s launch, discover how the mission contributes to understanding our changing planet: www.esa.int/Applications...esa.intHow Sentinel-3 tracks climate changeCopernicus Sentinel-3 is one of the most diverse missions for measuring and monitoring Earth’s climate systems. It captures a breadth of data about the environment and has contributed substantially to... 0236
ESA Earth Observation @esaearth.esa.int · 04/09/2026Who needs artificial colouring when we have sediment? The Ebro River, in Spain, discharges more water into the sea than any other river in Spain and, as sediment flows from the river’s mouth, it tints the waters with a turquoise hue. Access the image: www.esa.int/ESA_Multimed... 0257
ESA Earth Observation @esaearth.esa.int · 03/09/2026Time for a new 'Where on Earth quiz 🌍 Where do you think this location is? 2162
ESA Earth Observation @esaearth.esa.int · 03/09/2026Our last photos of the @esa.int FLEX and the Copernicus Sentinel-3C satellites! The spacecraft are now inside the fairing of the Vega-C rocket, scheduled to take them both to space on 15 September at 03:21 CEST (14 September at 22:21 local time). www.esa.int/Applications... 📷ESA–M. Pédoussaut 03811
ESA Earth Observation @esaearth.esa.int · 02/09/2026What if photosynthesis was visible? 🔎 FLEX will make it so, by mapping fluorescence from a Sun‑synchronous low Earth orbit at an altitude of about 815 km. How? FLEX is equipped with the Fluorescence Imaging Spectrometer, an instrument designed to detect and map this delicate glow from space. 0255
ESA Earth Observation @esaearth.esa.int · 01/09/2026The latest ESA InCubed x Spanish Space Agency call resulted in 8 new projects! These projects focus on improving Earth observation-based wildfire applications by increasing prevention, detection & response: philab.esa.int/eight-new-ea... 📸contains Copernicus Sentinel data(2025), processed by ESA 0163
ESA Earth Observation @esaearth.esa.int · 31/08/2026On 26 August 2026, a glacier collapse on Langtang Lirung triggered a flash flood and debris avalanche in northern Nepal. Copernicus Sentinel-2 images from 12 and 27 August show the affected region before and after the event, revealing the increase in river water. 1259
Reposted by ESA Earth ObservationEuropean Space Agency @esa.int · 28/08/2026Media invitation 📢 Ahead of our #FLEX mission and #Copernicus Sentinel-3C launch, media are invited to join our online briefings on 4 September in English, French, German and Italian. @esaearth.esa.int 2799