Bryce Bolin
@brycebolin.bsky.social
Research scientist at Eureka, Scientific. Small bodies of the Solar System. Avid paraglider pilot and traveler.
We are on for observing 3I/ATLAS! The weather forecast is looking great! Sign up to watch the observations happen live on November 26, 9:00 AM EST!
ucsc.zoom.us/meeting/regi...
ucsc.zoom.us/meeting/regi...
November 25, 2025 at 11:46 PM
We are on for observing 3I/ATLAS! The weather forecast is looking great! Sign up to watch the observations happen live on November 26, 9:00 AM EST!
ucsc.zoom.us/meeting/regi...
ucsc.zoom.us/meeting/regi...
Live tonight at the Leonard Nimoy Event Horizon Theater! Come to Griffith Observatory and see my talk about Interstellar Comet 3I/ATLAS! Or, tune in live here:
www.youtube.com/watch?v=hghv...
Starts at 7:00 PM PST.
www.youtube.com/watch?v=hghv...
Starts at 7:00 PM PST.
November 20, 2025 at 11:22 PM
Live tonight at the Leonard Nimoy Event Horizon Theater! Come to Griffith Observatory and see my talk about Interstellar Comet 3I/ATLAS! Or, tune in live here:
www.youtube.com/watch?v=hghv...
Starts at 7:00 PM PST.
www.youtube.com/watch?v=hghv...
Starts at 7:00 PM PST.
I’ll be this month’s guest on Griffith Observatory’s All Space Considered on Thursday, November 20, 2025, 7:00 p.m. - 8:00 p.m. PST. You can see the event live at the Leonard Nimoy Event Horizon Theater or tune in online. Information here:
griffithobservatory.org/event/all-sp...
griffithobservatory.org/event/all-sp...
November 19, 2025 at 10:18 PM
I’ll be this month’s guest on Griffith Observatory’s All Space Considered on Thursday, November 20, 2025, 7:00 p.m. - 8:00 p.m. PST. You can see the event live at the Leonard Nimoy Event Horizon Theater or tune in online. Information here:
griffithobservatory.org/event/all-sp...
griffithobservatory.org/event/all-sp...
By the way, if you are curious, Gemini Observatory and Shadow the Scientist are teaming up to present a livestream of the observation of interstellar comet 3I/ATLAS on November 25th. Feel free to sign up and watch the observations take place in real time.
ucsc.zoom.us/meeting/regi...
ucsc.zoom.us/meeting/regi...
November 13, 2025 at 2:32 AM
By the way, if you are curious, Gemini Observatory and Shadow the Scientist are teaming up to present a livestream of the observation of interstellar comet 3I/ATLAS on November 25th. Feel free to sign up and watch the observations take place in real time.
ucsc.zoom.us/meeting/regi...
ucsc.zoom.us/meeting/regi...
October 14, 2025 at 9:02 PM
September 15, 2025 at 1:12 PM
A recording of last night's session:
August 27, 2025: A Close Encounter with an Interstellar Visitor from Gemini South
www.youtube.com/watch?v=5__A...
August 27, 2025: A Close Encounter with an Interstellar Visitor from Gemini South
www.youtube.com/watch?v=5__A...
August 27, 2025: A Close Encounter with an Interstellar Visitor from Gemini South
YouTube video by Shadow the Scientists
www.youtube.com
August 29, 2025 at 3:33 AM
A recording of last night's session:
August 27, 2025: A Close Encounter with an Interstellar Visitor from Gemini South
www.youtube.com/watch?v=5__A...
August 27, 2025: A Close Encounter with an Interstellar Visitor from Gemini South
www.youtube.com/watch?v=5__A...
Will hopefully be observing interstellar comet 3I/ATLAS with the Gemini South telescope tomorrow night! Register to watch here: ucsc.zoom.us/meeting/regi...
August 27, 2025 at 12:52 AM
Will hopefully be observing interstellar comet 3I/ATLAS with the Gemini South telescope tomorrow night! Register to watch here: ucsc.zoom.us/meeting/regi...
Reposted by Bryce Bolin
Our latest paper on minimoon 2024 PT5 has been published in Astronomy & Astrophysics (A&A). Thank you for the support, @brycebolin.bsky.social
et al.
www.aanda.org/articles/aa/...
et al.
www.aanda.org/articles/aa/...
Multi-epoch spectrophotometric characterization of the mini-moon 2024 PT5 in the visible and near-infrared | Astronomy & Astrophysics (A&A)
Astronomy & Astrophysics (A&A) is an international journal which publishes papers on all aspects of astronomy and astrophysics
www.aanda.org
August 17, 2025 at 3:27 PM
Our latest paper on minimoon 2024 PT5 has been published in Astronomy & Astrophysics (A&A). Thank you for the support, @brycebolin.bsky.social
et al.
www.aanda.org/articles/aa/...
et al.
www.aanda.org/articles/aa/...
3I/ATLAS on Planetary Radio: www.planetary.org/planetary-ra...
3I/ATLAS: The third interstellar object ever found
Astronomers have discovered a new interstellar comet, 3I/ATLAS, the third object ever seen entering our Solar System from another star. We speak with…
www.planetary.org
August 7, 2025 at 8:59 AM
3I/ATLAS on Planetary Radio: www.planetary.org/planetary-ra...
Reposted by Bryce Bolin
☄️ Say hello to Comet 3I/ATLAS, just the third interstellar object ever seen in our Solar System!
NSF–DOE Rubin Observatory didn’t discover the comet, but even during testing, it caught a glimpse. Imagine what we'll find once full science operations begin later this year! 🔭🧪
NSF–DOE Rubin Observatory didn’t discover the comet, but even during testing, it caught a glimpse. Imagine what we'll find once full science operations begin later this year! 🔭🧪
Interstellar Object Comet 3I/ATLAS as seen by NSF–DOE Rubin Observatory!
☄️ Say hello to Comet 3I/ATLAS as seen by NSF–DOE Rubin Observatory!
Comet 3I/ATLAS is just the third interstellar object ever spotted in our Solar System.
Rubin Observatory didn’t discover it, but…
youtu.be
July 30, 2025 at 6:30 PM
☄️ Say hello to Comet 3I/ATLAS, just the third interstellar object ever seen in our Solar System!
NSF–DOE Rubin Observatory didn’t discover the comet, but even during testing, it caught a glimpse. Imagine what we'll find once full science operations begin later this year! 🔭🧪
NSF–DOE Rubin Observatory didn’t discover the comet, but even during testing, it caught a glimpse. Imagine what we'll find once full science operations begin later this year! 🔭🧪
Some great coverage by David L. Chandler at Sky & Telescope about our recent MNRAS paper on 3I/ATLAS:
skyandtelescope.org/astronomy-ne...
skyandtelescope.org/astronomy-ne...
Interstellar Comet 3I/ATLAS: What We Know Now
Observations have revealed the comet’s fuzzy coma, hinted at a weird tail, and suggested an ancient history.
skyandtelescope.org
July 28, 2025 at 4:57 PM
Some great coverage by David L. Chandler at Sky & Telescope about our recent MNRAS paper on 3I/ATLAS:
skyandtelescope.org/astronomy-ne...
skyandtelescope.org/astronomy-ne...
Reposted by Bryce Bolin
Chandler et al., feat. @pbernardinelli.com @megschwamb.bsky.social @merrdiff.bsky.social @astrokiwi.bsky.social @chrislintott.bsky.social @starzanplanets.bsky.social @brycebolin.bsky.social @jradavenport.com @astrohopkins.bsky.social @javierlicandro.bsky.social @malenarice.bsky.social ...
New paper on arXiv, analyzing Rubin Observatory data of interstellar object 3I/ATLAS. This is the first science paper with data from LSSTCam!!!!!
arxiv.org/abs/2507.13409
arxiv.org/abs/2507.13409
NSF-DOE Vera C. Rubin Observatory Observations of Interstellar Comet 3I/ATLAS (C/2025 N1)
We report on the observation and measurement of astrometry, photometry, morphology, and activity of the interstellar object 3I/ATLAS, also designated C/2025 N1 (ATLAS), with the NSF-DOE Vera C. Rubin ...
arxiv.org
July 21, 2025 at 1:34 AM
Palomar and Apache Point Spectrophotometry of Interstellar Comet 3I/ATLAS by Belyakov et al. 2025
iopscience.iop.org/article/10.3...
iopscience.iop.org/article/10.3...
July 19, 2025 at 2:27 PM
Palomar and Apache Point Spectrophotometry of Interstellar Comet 3I/ATLAS by Belyakov et al. 2025
iopscience.iop.org/article/10.3...
iopscience.iop.org/article/10.3...
Bolin et al. 2025 “Interstellar comet 3I/ATLAS: discovery and physical description ” has now been officially published on 2025 July 18 in Monthly Notices of the Royal Astronomical Society: Letters, slaf078, doi.org/10.1093/mnra...
Interstellar comet 3I/ATLAS: discovery and physical description
Abstract. We present the characteristics of interstellar comet 3I/ATLAS, discovered on 2025 July 1 by the Asteroid Terrestrial-impact Last Alert System. Th
doi.org
July 18, 2025 at 6:25 PM
Bolin et al. 2025 “Interstellar comet 3I/ATLAS: discovery and physical description ” has now been officially published on 2025 July 18 in Monthly Notices of the Royal Astronomical Society: Letters, slaf078, doi.org/10.1093/mnra...
Thanks to @Astro_Jonny for the fantastic coverage of 3I/ATLAS!
www.scientificamerican.com/article/new-...
www.scientificamerican.com/article/new-...
New Interstellar Object Is Full of Mysteries. Here’s What Scientists Most Want to Learn
Scientists are racing to learn as much as possible about the interstellar comet 3I/ATLAS before it fades from view forever
www.scientificamerican.com
July 18, 2025 at 9:37 AM
Thanks to @Astro_Jonny for the fantastic coverage of 3I/ATLAS!
www.scientificamerican.com/article/new-...
www.scientificamerican.com/article/new-...
Our manuscript "Interstellar comet 3I/ATLAS: discovery and physical description" has been accepted for publication in the Monthly Notices of the Royal Astronomical Society Letters!
July 16, 2025 at 2:33 PM
Our manuscript "Interstellar comet 3I/ATLAS: discovery and physical description" has been accepted for publication in the Monthly Notices of the Royal Astronomical Society Letters!
Congratulations to Jin Beniyama on the new paper, "Multi-epoch spectro-photometric characterization of the minimoon 2024 PT5 in the visible and near-infrared", accepted for publication in Astronomy & Astrophysics!
arxiv.org/abs/2507.10527
arxiv.org/abs/2507.10527
July 15, 2025 at 9:22 AM
Congratulations to Jin Beniyama on the new paper, "Multi-epoch spectro-photometric characterization of the minimoon 2024 PT5 in the visible and near-infrared", accepted for publication in Astronomy & Astrophysics!
arxiv.org/abs/2507.10527
arxiv.org/abs/2507.10527
Interview: Bryce Bolin on recent observations of Interstellar Comet 3I/ATLAS: www.youtube.com/watch?v=yg3C...
July 14, 2025 at 11:37 AM
Interview: Bryce Bolin on recent observations of Interstellar Comet 3I/ATLAS: www.youtube.com/watch?v=yg3C...
Apache Point Observatory Colors of Interstellar Comet 3I/ATLAS
www.astronomerstelegram.org?read=17284
www.astronomerstelegram.org?read=17284
July 13, 2025 at 5:38 PM
Apache Point Observatory Colors of Interstellar Comet 3I/ATLAS
www.astronomerstelegram.org?read=17284
www.astronomerstelegram.org?read=17284
Reposted by Bryce Bolin
🚨 Cosmic cameo alert! 🚨 On the latest @ShadowScientists.bsky.social, Bryce Bolin (Eureka Scientific) teamed up with observatory superstars Leo Alcorn, Matt Wahl & Josh Walawender to catch a rare guest from the galactic beyond: Comet 3I/ATLAS! 🌌☄️ Wanna comet along next time? 🛸✨ shadow.ucsc.edu ✨
July 12, 2025 at 1:06 AM
🚨 Cosmic cameo alert! 🚨 On the latest @ShadowScientists.bsky.social, Bryce Bolin (Eureka Scientific) teamed up with observatory superstars Leo Alcorn, Matt Wahl & Josh Walawender to catch a rare guest from the galactic beyond: Comet 3I/ATLAS! 🌌☄️ Wanna comet along next time? 🛸✨ shadow.ucsc.edu ✨
Shadow the Scientist Session tonight! Live streamng observing interstellar object 3I/ATLAS with the Keck Telescope! @shadowthescientists_sts
ucsc.zoom.us/meeting/regi...
ucsc.zoom.us/meeting/regi...
July 10, 2025 at 10:06 PM
Shadow the Scientist Session tonight! Live streamng observing interstellar object 3I/ATLAS with the Keck Telescope! @shadowthescientists_sts
ucsc.zoom.us/meeting/regi...
ucsc.zoom.us/meeting/regi...
Spectral Slope and Colors of Interstellar Comet 3I/ATLAS with the Palomar 200-inch Palomar Next Generation Spectrograph:
www.astronomerstelegram.org?read=17276
www.astronomerstelegram.org?read=17276
July 7, 2025 at 12:11 PM
Spectral Slope and Colors of Interstellar Comet 3I/ATLAS with the Palomar 200-inch Palomar Next Generation Spectrograph:
www.astronomerstelegram.org?read=17276
www.astronomerstelegram.org?read=17276