@Geminiobs South finds Hayabusa2’s target asteroid is 3x tinier and spinning 2x faster than previously thought! 🔗 https://t.co/OdRiQ2UWTv 📸 @GeminiObs/NOIRLab/NSF/AURA/T. Santana-Ros 📷ESO/M. Kornmesser. Asteroid: T. Santana-Ros et al. Hayabusa2 model: SuperTKG (CC-BY-SA)

🔎In the first discovery of its kind, astronomers have detected the chemical silane on an ancient brown dwarf nicknamed The Accident, unlocking clues into the formation of clouds on gas giants planets. 🔗 https://t.co/znMjg7Qr1i Illustration: NOIRLab/NSF/AURA/R. Proctor

Model Y Standard & Model 3 Standard are here

New images of interstellar Comet 3I/ATLAS! ☄️In these new images taken from @Geminiobs South in Chile, you can see the growing tail of the comet and the glowing coma. 🔗 https://t.co/6MgKwgUhNU Credit: International Gemini Observatory/NOIRLab/NSF/AURA/Shadow the Scientist

🚀 Beta Release Alert: Meet the Gemini Observation and Analysis of Targets System (GOATS) a new browser-based tool designed to simplify and automate the Gemini observing workflow. 💻 Ready to test it out? Installation details: https://t.co/Pdp6oCuPTZ

✨ ¡Postula a Summer Stars - Chile 2025! ✨ ¿Eres docente de secundaria o educación superior y enseñas astronomía? 📍 La Serena, con visitas a Cerro Pachón y Cerro Tololo. 📅 15 a 19 de Dic 📢 Postula hasta el 6 de sept. 🔗 https://t.co/3EMJGC7Qzu

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It’s not from around here... 🌌 The interstellar object 3I/ATLAS is passing through our cosmic neighborhood! Astronomer Brian Lemaux is leading this session, where students and the public will join the observing team live! Register https://t.co/TafNMmXHNh

We work in style, even when there’s snow 😎❄️ This time, Cerro Pachón in Chile got about 6–8 inches of snow, and Cerro Tololo about 4 inches. 🎛️DJ: Fabrizzio Bruno (song: Vicarious- Tool) 📹NOIRLab/NSF/AURA/F. Bruno #snow #telescope #chile #science

No, the sky didn’t get brighter, it’s a photographic trick! This stacked image from Cerro Pachón 🇨🇱, shows hours of starlight captured in trails with the setting Sun, passing car headlights, and the laser beam from @Geminiobs South. 📸 @GeminiObs/NOIRLab/NSF/AURA/P. Horálek

Feeling dizzy yet? 😵‍💫This long-exposure image of Gemini North, one half of the International @GeminiObs captures a concentric pattern created by the stars ✨as they move across the sky. 📷International Gemini Observatory/NOIRLab/NSF/AURA

Does anyone mind if we crack a window? 🪟 Keeping a telescope cool helps it take the best possible measurements. Luckily, @Geminiobs South is equipped with 10-meter thermal vents to cool off when things get heated. 📷@geminiobs/NOIRLab/NSF/AURA

Say it 3 times: Betelgeuse, Betelgeuse, Betelgeuse. Astronomers using @Geminiobs North found a hidden companion star orbiting inside Betelgeuse’s atmosphere, the first close-in companion ever seen around a supergiant star. 🔗 https://t.co/8PUn3aS4Fj 📷GeminiObs/NOIRLab/NSF/AURA

☄️ Interstellar visitor alert! @Geminiobs North in Hawai‘i captured Comet 3I/ATLAS, only the 3rd known object from outside our Solar System! 📷@GeminiObs/NOIRLab/NSF/AURA/K. Meech (IfA/U. Hawaii) Image Processing:Jen Miller & Mahdi Zamani (NSF NOIRLab) 🔗 https://t.co/xzZdEJ0S3l

This long-duration, fish-eye view of @Geminiobs North looks like a snow globe, but with stars instead of snow. ☃️The motions of the ⭐️ were captured through the night, along with the Gemini laser on the right, and the 🌙 on the left. 📸@GeminiObs/NOIRLab/NSF/AURA/J. Pollard

The Universe really said, “let’s kick it!” ⚽️✨ Some nebulae form elegant spirals and clouds…K61 decided to become a soccer ball. 🤗 Nonetheless, Gemini North, one half of @GeminiObs, captured it beautifully. 😌 📷@GeminiObs/NOIRLab/NSF/AURA

🚨 Astronomers just found the closest-ever link between a supernova and a mysterious fast X-ray flash! 🌟💥 Turns out, some massive stars may explode with “failed” gamma-ray bursts—jets that never escape. 🔗 https://t.co/kdA6PFq9ra

Which trick helps you stay focused the longest?

🎬 What happens when 2 neutron stars collide? 😱 Find out in Messengers of Time and Space, our new 4K planetarium show, free to download and use! 🌌 Explore the time-domain & multi-messenger revolution: 🔗 https://t.co/7lLy57cKTm 🎥 GeminiObs/NOIRLab/NSF/AURA/Double Dome Films

🚨 It’s #AsteroidDay! ✅ Appreciating cosmic rocks ❌ No need to panic —we’re watching them 😌 Telescopes like @VRubinObs & @cerrotololo help spot, track, and study near-Earth objects. Because nothing says “I care” like monitoring 30,000 mph space boulders. 🪨 (You’re welcome)

❄️ Snow’s back at Cerro Pachón! ❄️ @Geminiobs South and our neighboring telescopes just got their second snowfall of 2025. Not a blizzard, but enough to turn heads (and domes) 😉. 📸 NOIRLab/NSF/AURA/S. Olivares & F. Bruno

Even remote, high-altitude telescopes like @Geminiobs North on Maunakea can’t escape light from satellite constellations. While invisible to us, they leave bright streaks in sensitive long-exposure images. 🛰️🌌 📷 GeminiObs/NOIRLab/NSF/AURA/J. Pollard

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@VRubinObs’s impressive First Look images were released yesterday! 🌌 Want to see every detail for yourself? 🔍Head to the Skyviewer, where you can explore the sky just like astronomers do. Pan, zoom, and take your time 🧭✨ 🔗 https://t.co/K1uFA0HOSk