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DESI Survey @desisurvey.bsky.social · 25/04/2026

🔭 This timelapse shows DESI scanning the sky from Kitt Peak. Its efficiency enabled completion of the original survey footprint (in red) ahead of schedule. Moving circle shows where DESI points. 47M+ galaxies mapped so far → the largest 3D map of the Universe ever made. Will continue until 2028.

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DESI Survey @desisurvey.bsky.social · 23/04/2026

DESI's largest 3D map of the Universe is in today's NASA APOD A slice of the cosmic web, with galaxies tracing structure across billions of years - explained. @clairelamman.bsky.social | DESI Collaboration apod.nasa.gov/apod/ap26042...

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DESI Survey @desisurvey.bsky.social · 22/04/2026

🔭 At the Mayall Telescope. DESI maps the Universe night after night probing dark energy. 47M+ galaxies observed, with the original survey footprint surpassed Apr 15, 2026—creating the largest 3D map of the Universe ever made. Credit: Marilyn Sargent/Berkeley Lab #DESI #Astronomy #NightSky #KittPeak

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DESI Survey @desisurvey.bsky.social · 15/04/2026

🗺️ Watch the DESI survey footprint grow. Each point is a galaxy or quasar helping build the largest 3D map of the Universe ever made. DESI completed its planned survey area on April 15, 2026 — ahead of schedule. 47M+ objects mapped and counting.

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DESI Survey @desisurvey.bsky.social · 15/04/2026

🌌 Major milestone for DESI: full originally planned survey footprint was completed on April 15, ahead of schedule! 47M+ galaxies & quasars mapped → the largest 3D map of the Universe ever made. Keep posted: Observations continue through 2028. More: tinyurl.com/Y5DESI #DESI

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DESI Survey @desisurvey.bsky.social · 07/10/2025

🌌 DESI DR2 cosmology chains and data products are now public!

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DESI Survey @desisurvey.bsky.social · 26/08/2025

🌟 We’re proud to share that the DESI Collaboration has been awarded the 2026 Lancelot M. Berkeley–New York Community Trust Prize by the American Astronomical Society (AAS) — read more on the AAS website aas.org/press/desi-c... 🎉

aas.org

DESI Collaboration to Receive 2026 Berkeley Prize | American Astronomical Society

The Dark Energy Spectroscopic Instrument (DESI) collaboration will receive the 2026 Lancelot M. Berkeley − New York Community Trust Prize for Meritorious Work in Astronomy for its work constraining po...

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DESI Survey @desisurvey.bsky.social · 22/08/2025

🕳️✨ What if black holes don’t just swallow matter… but transform it into dark energy?

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DESI Survey @desisurvey.bsky.social · 06/05/2025

🚨 DESI High is back! 🚀🌌 High school students in Mexico & Spain recently explored the universe using real data from the Dark Energy Spectroscopic Instrument. 🔭💻

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Reposted by DESI Survey

Berkeley Lab @berkeleylab.lbl.gov · 31/03/2025

The @desisurvey.bsky.social makes a precise 3D map of galaxies to explore 11 billion years of cosmic history. Saul Perlmutter, Berkeley Lab scientist and Nobel laureate, shares what the experiment’s recent #DarkEnergy results mean for our big picture of the universe. 🎧 via @theguardian.com ⬇️

theguardian.com

What a dark energy discovery means for the fate of the universe – podcast

Dark energy, the mysterious force powering the expansion of the universe, appears to be weakening over time, according to a major cosmological survey that has thrown the laws of modern physics into do...

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DESI Survey @desisurvey.bsky.social · 20/03/2025

DESI 2025 - Cosmology Results from DR2 BAO (Garcia-Quintero & Martini) 😍☄️🔭🚀 youtu.be/YiRaDtslycE?... via YouTube with @justshaun.bsky.social 🎙️

youtu.be

DESI 2025 - Cosmology Results from DR2 BAO (Garcia-Quintero & Martini)

YouTube video by Cosmology Talks

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DESI Survey @desisurvey.bsky.social · 20/03/2025

Check out the new key papers and supporting papers available here: data.desi.lbl.gov/doc/papers/

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Héctor Gil Marín @cosmonautico.bsky.social · 20/03/2025

🔊 New BAO analysis from the 3-year observations (DR2). Long story short, as follows. 1. DESI alone is consistent with LCDM. 👉 Boring 2. DESI and Planck have a 2.3 discrepancy in Ωm-H0rd plane. 👉Interesting.

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Claire Lamman @clairelamman.bsky.social · 20/03/2025

DESI's DR2 BAO results are out!! TL;DR... 1/n @desisurvey.bsky.social

A blocky lambda symbol crumbles as it is pulled apart by creatures representing Baryon Acoustic Oscillations, the Cosmic Microwave Background, and supernovae. Caption reads "something has to give..." Credit: Claire Lamman

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Shaun Hotchkiss @justshaun.bsky.social · 19/03/2025

This is starting to look believable (to me at least 😅) *Something* is certainly going on... Great work @desisurvey.bsky.social! youtu.be/YiRaDtslycE

youtu.be

DESI 2025 - Cosmology Results from DR2 BAO (Garcia-Quintero & Martini)

YouTube video by Cosmology Talks

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Reposted by DESI Survey

Berkeley Lab @berkeleylab.lbl.gov · 19/03/2025

🔭👀 New results from the @desisurvey.bsky.social strengthen hints that #DarkEnergy might evolve. News release ⬇️ newscenter.lbl.gov/2025/03/19/n... #Space #arXiv 🧪

A long-exposure image captures circular star trails above telescope domes illuminated in red light on a dark mountain. A golden glow on the horizon marks distant city lights.

A person reaches out a tool to clean a large mirror, surrounded by an intricate framework of metal structures.

DESI’s instrument, a long black cylinder supported by the metal framework of the telescope, points at the domed ceiling.

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DESI Survey @desisurvey.bsky.social · 19/03/2025

JUST RELEASED: DESI DR1 & BAO RESULTS FROM DR2🌌

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DESI Survey @desisurvey.bsky.social · 18/03/2025

🚨 BIG NEWS ALERT! 🚨 We’re just 24 HOURS AWAY from a MAJOR DESI release! 🌉🔭 Tomorrow at 3 PM PT, DESI is unveiling DR1, our first official Data Release—the largest dataset of its kind, packed with information on 18.7 million galaxies, quasars, and stars! But that’s not all…

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DESI Survey @desisurvey.bsky.social · 11/03/2025

In its quest to make precision cosmological measurements, DESI uses a process called “blinding” in its analysis methodology in order to avoid the inaccuracies that can arise from confirmation bias. This process was especially important for DESI’s latest results, which will be revealed on March 19🚀

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DESI Survey @desisurvey.bsky.social · 07/03/2025

You’ve seen BaoBan proudly riding atop the Kitt Peak float at the Tohono O’odham Nation Rodeo Parade, but have you heard the full story behind him? 🧵...

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DESI Survey @desisurvey.bsky.social · 05/03/2025

DESI’s ambassador, BaoBan, made a grand appearance at the 2025 Tohono O’odham Nation Rodeo Parade, perched high atop the Kitt Peak National Observatory (KPNO) float! 🌟

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DESI Survey @desisurvey.bsky.social · 28/02/2025

Professor Mustapha Ishak from University of Texas at Dallas, a senior member of the DESI collaboration, explains what our survey aims to achieve: mapping the positions and velocities of millions of galaxies 🌃 With this vast dataset, DESI will trace the universe's expansion history 💪🚀

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Media Inaf @media.inaf.it · 26/02/2025

Non il cadavere di Laura Palmer bensì migliaia di buchi neri – fra i quali centinaia di rari buchi neri di taglia ‘M’ – sono stati scoperti da @desisurvey.bsky.social scrutando il cielo dalla tranquilla località montana di Kitt Peak, in Arizona. Il servizio video su MediaInaf Tv.

youtu.be

I segreti di Kitt Peak: Desi fa il pieno di buchi neri

YouTube video by MEDIAINAF TV

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DESI Survey @desisurvey.bsky.social · 19/02/2025

Do you want to know more about DESI? Watch this video from the NSF that explains what we do! www.youtube.com/watch?v=fHdG...

youtube.com

Mapping the Universe | Dark Energy Spectroscopic Instrument

YouTube video by National Science Foundation News

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DESI Survey @desisurvey.bsky.social · 18/02/2025

Hello, world! 👋🦋 We are excited to announce our new Bluesky account. We are the Dark Energy Spectroscopic Instrument (DESI), a scientific collaboration that has measured the effects of dark energy on the expansion of the universe with unprecedented precision! To learn more, visit: www.desi.lbl.gov

desi.lbl.gov

Dark Energy Spectroscopic Instrument (DESI)

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