European Space Agency, ESA

❄️ With the winter holidays around the corner, we’re unwrapping a cosmic gift early, Westerlund 2 🎁✨

This glittering star cluster is host to some of our Milky Way galaxy's hottest, brightest, and most massive stars.

Learn more 👉 www.esa.int/ESA_Multimedia/Images/2025/12/Webb_Dwa…

1 day ago | [YT] | 2,466

European Space Agency, ESA

📸 This was our #WeekInImages 08-12 December 2025.

1️⃣ Massive stars make their mark 🌌
2️⃣ GRB 250314A Pull-out (NIRCam image) 🤩
3️⃣ Shine bright like a satellite 🛰️
4️⃣ Galileo satellites mounted on Ariane 6 dispenser 🛰️
5️⃣ XMM-Newton sees comet 3I/ATLAS in X-ray light ☄️
6️⃣ Earth from Space: Pariacaca Mountain Range, Peru 🌎
7️⃣ 8 640 000 seconds to Mars 🛌
8️⃣ High-energy proton flux over the polar regions 🌍

More 👉 www.esa.int/About_Us/Week_in_images/Week_in_images…

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6 days ago | [YT] | 3,492

European Space Agency, ESA

📸 This was our #WeekInImages 01-05 December 2025.

1️⃣ A storm of new stars 🌌
2️⃣ Webb observes a dance of dwarf galaxies 🤩
3️⃣ Bird’s-eye view: the butterflies and dark layers of Idaeus Fossae 🦋
4️⃣ Severe flooding in Sumatra, Indonesia 🌏
5️⃣ Rolling out the red carpet for Mars 🔴
6️⃣ Hubble reobserves 3I/ATLAS ☄️
7️⃣ Comet 3I/ATLAS shows activity in Juice navigation camera teaser 👁️
8️⃣ Galileo satellite integration 🛰️
9️⃣ Earth from Space: Singing dunes and mysterious lakes 🌏
🔟 30 years of SOHO imaging the Sun ☀️

More 👉 www.esa.int/About_Us/Week_in_images/Week_in_images…

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1 week ago | [YT] | 3,491

European Space Agency, ESA

After Juice, Hubble has also checked in on interstellar comet 3I/ATLAS ☄️🆕

The NASA/ESA Hubble Space Telescope reobserved interstellar comet 3I/ATLAS on 30 November with its Wide Field Camera 3 instrument. At the time, the comet was about 286 million kilometers from Earth. Hubble tracked the comet as it moved across the sky. As a result, background stars appear as streaks of light.

More info 👉 www.esa.int/ESA_Multimedia/Images/2025/12/Hubble_r…

2 weeks ago | [YT] | 2,098

European Space Agency, ESA

🆕 Comet 3I/ATLAS image! ☄️

Our #ESAJuice team couldn't wait until February, when they will receive data on #3IATLAS from the mission's science instruments.

So they downloaded just a quarter of an image from its navigation camera to get a surprise sneak preview.

More info 👉 www.esa.int/ESA_Multimedia/Images/2025/12/Comet_3I…

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2 weeks ago | [YT] | 2,630

European Space Agency, ESA

🌞🛰️ Sun-watcher SOHO turns 30! 🎂

On 2 December 1995 the ESA/NASA Solar and Heliospheric Observatory (SOHO) blasted into space – on what was supposed to be a two-year mission.

From its outpost 1.5 million km away from Earth in the direction of the Sun, SOHO enjoys uninterrupted views of our star. It has provided a nearly continuous record of our Sun’s activity for close to three 11-year-long solar cycles.

Read more 👉 www.esa.int/Science_Exploration/Space_Science/SOHO…

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2 weeks ago | [YT] | 2,485

European Space Agency, ESA

📸 This was our #WeekInImages 24-28 November

1️⃣ ESA directors at Ministerial Council in Bremen
2️⃣ Earth radiance measured by Sentinel-5A
3️⃣ Gigantic cloud of cold hydrogen gas called N159
4️⃣ Bremen, Germany by Sentinel-1D

More 👉 www.esa.int/About_Us/Week_in_images/Week_in_images…

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3 weeks ago | [YT] | 1,618

European Space Agency, ESA

📸 This was our #WeekInImages 10-14 November

1️⃣ The first-ever metal part 3D-printed in space landed on Earth.
2️⃣ The patterns of Coloe Fossae: What a martian ice age left behind
3️⃣ Medical doctors meet on the Antarctic coast
4️⃣ Paving the way for next-generation antennas
5️⃣ European Service Module-4 backbone structure
6️⃣ Earth from Space: Prague

More 👉 www.esa.int/About_Us/Week_in_images/Week_in_images…

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1 month ago | [YT] | 1,812

European Space Agency, ESA

📸 This was our #WeekInImages 3-7 November 2025.

1️⃣ Liftoff for Sentinel-1D on board Ariane 6 🔥
2️⃣ Euclid peers through a dark cloud’s dusty veil ✨
3️⃣ Meteoroid shaking the edge of Apollinaris Mons on Mars ☄️
4️⃣ Ariane 6 for Sentinel-1D on the launch pad 🚀
5️⃣ Earth from Space: Branco River, Brazil 💧
6️⃣ HydroGNSS satellites being prepared for launch 🛰️


More 👉 www.esa.int/About_Us/Week_in_images/Week_in_images…

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1 month ago | [YT] | 2,621

European Space Agency, ESA

📸 This was our #WeekInImages 27-31 October 2025.

1️⃣ The Red Spider Nebula, caught by Webb 🕷️
2️⃣ Hurricane Melissa barrels through the Caribbean 🌀
3️⃣ Earth from Space: Ghostly lake 🌍
4️⃣ Flickering flame: spooky spirits or serious science? 🕯️
5️⃣ Opening speakers of the Space for European Resilience conference 🤝
6️⃣ Last look at Sentinel-1D 🥺
7️⃣ Sentinel-1D arrives at the launch pad 🛰️

More 👉 www.esa.int/About_Us/Week_in_images/Week_in_images…

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1 month ago | [YT] | 3,901