Coming up tonight at 19:19 BST/20:19 CEST: the September #Equinox! This image from Meteosat-12, taken this morning, shows Earth near the equinox - when the terminator appears as a straight line dividing the planet into equal halves of light and dark. @wmo-global.bsky.social @eumetsat.int

Spiral, elliptical or neither? 🍩 Today’s NASA/ESA Hubble Space Telescope image features the galaxy NGC 2775. NGC 2775 sports a smooth, featureless centre that is devoid of gas, resembling an elliptical galaxy. It also has a dusty ring with patchy star clusters, like a spiral galaxy.

🚀 Registration is now OPEN for ESAC Open Day! 📅 Saturday, 4 October 📍 ESA ESAC, Madrid, Spain 🎟️ Entry is free, but registration is required 👇 www.esa.int/About_Us/ESA... Let’s explore space together! 🌍🧑‍🚀 #ESAOpenDay #50YearsOfESA

Cosmic wind of change #XRISM makes an unexpected discovery: winds from neutron star discs are quite different from those around supermassive black holes. The discovery could reshape our understanding of the most extreme environments in the Universe 👉 www.esa.int/Science_Expl... 🔭 🧪

✨ A patch that tells a story. From the European Astronaut Centre to the International Space Station and beyond — @esa.int’s new Astronaut Reserve Training patch celebrates: 🧭 Our training hub 🛰️ Our orbital legacy 🌟 Our future explorers Find out more 🔗 www.esa.int/ESA_Multimed...

🐦 Fly through a 3D map of stellar nurseries ✨ Scientists have created the most accurate 3D map of star-formation regions in our Milky Way galaxy, based on data from #ESAGaia. The map extends to a distance of 4000 light-years from us, with the Sun at the centre 👉 www.esa.int/Science_Expl... 🔭 🧪

🔑 Keys to the Moon Last week, @esa.int handed over its third European Service Module to NASA, which will power the Artemis III Orion on its mission to return astronauts to the Moon 🚀🌑

🗓️ Save the date! On 4 October, ESA ESAC in Spain will hold its Open Day for the general public. Registration opens 19 September. Stay tuned! 👇 #ESAOpenDays www.esa.int/About_Us/ESA...

Asteroid 2025 FA22 will safely pass Earth on 18 September 2025 at 07:41 UTC (09:41 CEST). It is between 130 and 290 m across and at its closest point to our planet, it will be just over twice as far away as the Moon. www.esa.int/ESA_Multimed...

📸 This NASA/ESA #Hubble Space Telescope image shows galaxy Messier 82 (M82), also known as the Cigar Galaxy. It's forming stars 10 times faster than our Milky Way, and is what astronomers call a 'starburst' galaxy 🧪🔭 🔗 esahubble.org/images/potw2...

The first images from @eumetsat.int's MetOp-SG-A1's 3MI instrument are in. 3MI monitors atmospheric aerosols, providing new insights into how these tiny particles affect air quality and climate 🌏 www.esa.int/ESA_Multimed...

🚀 Registration is now OPEN for ESRIN Open Day! 📅 Friday, 26 September 📍 ESA ESRIN, Frascati, Italy 🎟️ Entry is free, but registration is required 🔓 Register now ➡️ www.esa.int/About_Us/ESA... Let’s explore space together! 🌍🧑‍🚀 #ESAOpenDay #50YearsOfESA

Today, we hosted the General Assembly on Defence, Space & Cybersecurity at our ESRIN centre in Italy. Organised by the European Parliament, the European Commission, and ESA, the event fostered dialogue between EU and national decision-makers and industry leaders. 🔗 www.esa.int/ESA_Multimed...

Today, @esa.int's Columbus lab on the International Space Station circled Earth for the 100,000th time🎉 During that time, we’ve seen: 🧳4.26 billion km travelled 🧪250+ experiments 👩‍🚀16 ESA astronauts 🥼75 m³ of lab space 🕣19,280 shifts run by the Columbus Control Centre 🔗 www.esa.int/Science_Expl...

🌍 Iron-rich red soils and parallel sand dune ridges stand out in this Φsat-2 image of the Gibson Desert. Spanning over 150 000 sq km, the desert’s landscape is shaped by wind and a dry climate. In the lower part of the image, the dry lakebed of the Fortescue River is visible.

A stellar jet on the edge of our milky way 💥 These seething twin jets of hot gasses, captured by NASA/ESA/CSA James #Webb Space Telescope, are blazing across 8 light-years – twice the distance between our Sun and the nearest star system, Alpha Centauri.

🌙 A blood moon from the edge of the world 🇦🇶 🌒 A few nights ago, around 85% of Earth could see a total lunar eclipse - including the crew of Concordia station in Antarctica, a place more remote than the International Space Station. 📸: @esa.int/IPEV/PNRA/DC21-J. Lacrampe, N. Purvis

🚀 Registration is now OPEN for ESTEC Open Day – General Public Day! 📅 Sunday, 12 October 📍 ESA ESTEC, Noordwijk, the Netherlands 🔓 Register now ➡️ www.esa.int/About_Us/ESA... 🎟️ Entry is free, but spots fill up fast - claim yours now! Let’s explore space together! 🌍🧑‍🚀 #ESAOpenDay #50YearsOfESA

☁️Hubble captures a cloudy cluster. This cloudscape is located in the Large Magellanic Cloud, a dwarf galaxy which orbits our Milky Way. Here we see bright, young stars lighting up the gas clouds and sculpting clumps of dust with powerful ultraviolet radiation. 🔗 esahubble.org/images/potw2... 🔭

Catch a glittering glimpse of starbirth ✨ 🔭 This young star cluster, Pismis 24, captured by the NASA/ESA/CSA James #Webb Space Telescope is home to a vibrant stellar nursery and one of the closest sites of massive star birth. 🔗 esa.int/ESA_Multimed... #JWST

🤖🎮🚀 What if we told you that all these robots are being controlled from space? www.esa.int/ESA_Multimed...

📅Save the Date! We will be at the 76th edition of the International Astronautical Congress (IAC) in Sydney, Australia from 29 September to 3 October 2025 🔭 Read more ➡️ www.esa.int/About_Us/Exh...

🧭📡 Today, we celebrate 30 years of European satellite navigation. From the early days of EGNOS to the global reach of Galileo, we take this moment to: ✨ Reminisce about the beginnings 🚀 Relive incredible milestones 👏 Acknowledge every contributor 🌍 Meet the faces shaping the future

🌎 Fresh data just in from space: the first results from the Microwave Sounder and Radio Occultation Sounder onboard @eumetsat.int’s MetOp-SG-A1 satellite are here, after less than a month in orbit: esa.int/Applications... 📸Eumetsat

Flyby success! ESA's Juice spacecraft passed Venus at 07:28 CEST on 31 August. This photo shows our deep-space antenna in Spain in communication with Juice during the flyby. Juice’s current location, Venus, and its destination, Jupiter, are both visible in the sky ❤️

ESA HQ is opening its doors to the public for the first time on 20 September! Register now to visit us in Paris ➡️ www.esa.int/Space_in_Mem... #ESAOpenDays

Our #SolarOrbiter has split the flood of energetic electrons flung out into space from the Sun into two groups, tracing each back to a different kind of outburst from our star 👉 www.esa.int/Science_Expl... 1/3 🔭 🧪☀️

An ethereal view of a young star 🧚🦋✨ The NASA/ESA/CSA James #Webb Space Telescope captured IRAS 04302+2247, a dusty disc where planets may be forming. In stellar nurseries, baby stars grow in cold gas clouds, forming discs like this one. 🔗 www.esa.int/Science_Expl...

🗓️ Save the date! On 20 September, ESA HQ in Paris will hold its first Open Day for the general public. Registration opens 1 September. Stay tuned for more details! 👇 #ESAOpenDays www.esa.int/Space_in_Mem...

We welcome #JAXA's interest in participating in the Ramses mission to the asteroid #Apophis, which will make a safe but exceptionally rare and scientifically valuable flyby of Earth in April 2029.

Parts of South Australia, especially around Adelaide - home to the Australian Space Agency - continue to be affected by an ongoing microalgae bloom. Algal blooms are a natural phenomena, but this one has lingered for months. (Pic: chlorophyll concentration from #Copernicus Sentinel-3 on 13 August)

A new view of the Butterfly Nebula! 🦋 Webb joined forces with ALMA to bring you this unprecedented view into the heart of the nebula – seen here alongside optical & near-infrared images from Hubble. A stellar example of teamwork 👏 Read more 👉 www.esa.int/Science_Expl... 🔭 🧪

Not all dogs fetch sticks…🐕 some fetch martian samples 🔴 Meet @esa.int's robot dog Spot, who is helping to test how astronauts command robotic teams for future missions to the Moon and Mars 🌌🚀. Happy #InternationalDogDay ✨

Happy #InternationalDogDay! 🐕‍🦺 We're celebrating Canis Major, the 'Greater Dog' of the sky! What cosmic treats await? 👇

🐕 This NASA/ESA #Hubble Space Telescope image of Sirius A, the 'Dog Star', might make you paws for thought... 😉 #InternationalDogDay 🐶 🔗 esahubble.org/images/heic0...

ESA's Juice mission to Jupiter is on track for its gravity-assist flyby at Venus on 31 August, following the successful resolution of a spacecraft anomaly that temporarily disrupted communication with Earth. www.esa.int/Enabling_Sup...

📸 This NASA/ESA #Hubble Space Telescope image shows spiral galaxy Messier 96, whose asymmetric appearance may be the result of a galactic tug of war... 🧪🔭 esahubble.org/images/potw2... @science.esa.int @stsci.edu #astronomy

📸 Check out our #WeekInImages 18-22 August 👇 www.esa.int/About_Us/Wee...

🛫 One of the windiest airports in the world: NZWN! Tucked into a narrow inlet to dodge Cook Strait’s roaring winds, Wellington International Airport still contends with intense turbulence. 🌎 Located on New Zealand’s North Island, it serves the vibrant capital city of Wellington.

🚀 We are in a time of global transformation in space. Do you want to be a part of it? Applications are now open for the Roy Gibson Fellowship on Space Policy! 🗓️ Apply by 30 September ➡️ www.espi.or.at/roy-gibson-f...

Soaring temperatures and dry land have fuelled widespread #wildfires in Southern Europe, with Spain and Portugal among the regions hardest hit: esa.int/Applications... 🌎 🛰️ 🔭

🌕 Surprise in Uranus’ sky! Astronomers have just spotted a new moon in images taken by the NASA/ESA/CSA James Webb Space Telescope. Check it out alongside 13 of the 28 other known moons orbiting the planet. Read more about S/2025 U1 👉 esawebb.org/images/uranu... 🔭🧪

✅ Registration is now open for #ESAOpenDays (12 September) at ESA ESOC in Darmstadt, Germany 👇 www.esa.int/About_Us/ESA...

📸 It's #WorldPhotographyDay2025! We've sent cameras to some amazing places, and we're getting ready to send more. Here are some 'out of this world' views (and a couple of 'out of this world' photographers 😉) @eumetsat.int @science.esa.int @stsci.edu @exploration.esa.int @esaearth.esa.int

📷 This NASA/ESA #Hubble Space Telescope image shows spiral galaxy NGC 2835. This image differs from previous images of NGC 2835 because it contains new data from Hubble for a specific wavelength of red light called H-alpha. Read more👇🧪🔭 🔗 esahubble.org/images/potw2... @stsci.edu @science.esa.int

✅ Registration is now open for #ESAOpenDays (11 October, Disability Access Day) at ESA ESTEC 👇 (note: General Public Day registration opens 8 Sept.)

📸 This was our #WeekInImages 11-15 August ➡️ www.esa.int/About_Us/Wee...

🚀 Get ready for ESA ESTEC Open Days! We’re proud to host a dedicated day for people with disabilities and special needs. 📅11 Oct. – People with a disability (registration opens 18 Aug.) 📅12 Oct. – General public (registration opens 8 Sept.) 📍Noordwijk 🇳🇱 📲Stay tuned #ESAOpenDay #50YearsOfESA

The TRAPPIST-1 d exoplanet may be Earth-sized 🌍 but it has no Earth-like atmosphere. Webb’s #NIRSpec has found no traces of molecules that are common in Earth’s atmosphere. Read more 👉 www.esa.int/Science_Expl... 🔭 🧪

🌎 Tonight, we ushered in a new era of weather and climate monitoring. EUMETSAT's MetOp-SG-A1, weather satellite – which hosts the Copernicus Sentinel-5 mission – successfully launched aboard an Ariane 6 rocket from Europe’s Spaceport in French Guiana. 🔗 www.esa.int/Applications...