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The KPNO 2.1-meter Telescope is one of the earliest telescopes on Kitt Peak. It was used by Vera Rubin to conduct landmark observations that established the existence of dark matter. And now you can visit it, by booking our daytime tour 👉 ow.ly/rbGW50VxXGc

💥 Fireball alert over Kitt Peak National Observatory! ✨ This brilliant meteor lit up the night sky yesterday — and it was caught on camera! 😍 👀 📹: UofA Spacewatch camera

The Nicholas U. Mayall 4-meter Telescope is host to the Dark Energy Spectroscopic Instrument, the most powerful multi-object survey spectrograph in the world. Come experience the place from where groundbreaking science is being done 👉 ow.ly/CeAe50VxXK5

Our Dark Sky Discovery Program is a favorite among our visitors. 🌀 Book your tour and come explore nebulae and distant galaxies lurking within the constellations 👉 ow.ly/CVqr50VxXNM

Happy Black Hole Week! ⚫️ NSF@NOIRLabastro’s Community Science and Data Center provides astronomers access to data to learn more about quasars, black holes, and much more! 💥📊 Get this printable poster at ow.ly/ORfy50VNavq

Since opening in 1964, the Kitt Peak Visitor Center has welcomed more than two million guests to the mountain to get inspired by the Universe. If you have not visited us yet, this is your sign to book this experience 👉 ow.ly/THJe50VKq67

🔭🏮 Telescopes & red lights? That's a sign someone is looking at the stars! Why the red light? Because it doesn't disrupt night vision as much as other colors of light do. Come see for yourself 👉 ow.ly/Egak50VKq8W 🎥 KPNO/NOIRLab/NSF/AURA/T. Matsopoulos

Curious what's it like on the mountain? Visit Kitt Peak National Observatory in Arizona virtually: ow.ly/rltB50VKqfG If you like what you see, why not book a tour to come in person? 👉 ow.ly/NOQl50VKqfH

Ready, set, pixels ⏱️ NSF–DOE NSF-DOE Rubin Observatory can image the entire Orion nebula in just 21 minutes. The telescope’s compact design allows it to move quickly between targets so that it can scan the entire sky every three nights. 📷: RubinObs/NOIRLab/SLAC/NSF/DOE/AURA/R. Proctor

🌟 Help measure sky brightness from wherever you are! 🌍 Join @GlobeAtNight & measure sky brightness until May 27, using just your phone, tablet, or computer! 📱💻 Every data point counts! Let’s hit 20,000 measurements by the end of 2025! 💫🌃 #GlobeAtNight #LightPollution

Ever dreamt of walking on the surface of the Moon? You don't necessarily have to fly to space to do that. Join us on our Magnificent Moon program & we will take you on a tour of interesting locations on the surface of our natural satellite. Book here 👉 ow.ly/RXG850VP86o

🚨 New FREE planetarium show! 🌌💥 Today we are releasing Messengers of Time and Space, an immersive show that reveals how @Geminiobs is teaming up with telescopes like Rubin Observatory to capture the wildest, fastest, most mysterious moments in the cosmos. 🔗noirlab.edu/public/news/no…

🗨️ 'Unrivaled views of the night sky' 🗨️ 'Pictures don't do it justice' Our reviews say it all. Come visit us to enjoy the experience firsthand 👉 ow.ly/HWUc50VP8eJ

The magnificent Milky Way grazing the skies above Kitt Peak National Observatory. Book a tour to enjoy such the view 👉 ow.ly/gBCC50VP8jt 🎥 KPNO/NOIRLab/NSF/AURA/R.T. Sparks

🔲 Kitt Peak National Observatory is a bucket-list astronomy destination. ✔️ It's time to check it off! Come visit us 👉 ow.ly/2uBs50VP8n3

Our Dark Sky Discovery Program takes you on a tour of the constellations visible in the night sky before delving deeper into what hides in them: star clusters, nebulae & more! Book your tour here 👉 ow.ly/AFEJ50VP8qN

Meet the Whirlpool Galaxy, or M51! 👋🌌 In visible wavelengths, it shows dust lanes that cover and redden light from background stars. In the infrared, these dust lanes, warmed by starlight, glow brightly. 📸 Visible: KPNO/NOIRLab/NSF/AURA, Infrared: @NASA/JPL-Caltech

Cannot visit us at night? No worries. We offer daytime tours. Visit one of our iconic research telescopes in and out and experience the breathtaking views of the mountain. Book your tour here 👉 ow.ly/BfQC50W4zx5

We're excited to see all of you at #AAS246! For the latest scoop on our science talks, open house, iposters, demos, swags & more - stay tuned with us on NOIRLab Science! Daily updates coming your way! #Astronomy

How do you map something you can’t see? 🕵️‍♀️🔭 Gravitational lensing lets scientists trace invisible dark matter by measuring how light from distant galaxies is distorted. NSF-DOE NSF-DOE Rubin Observatory’s LSST survey will collect 20 TB of sky data per night 🤯. 🔗 noirlab.edu/public/blog/gr…