Bryce Bolin
@brycebolin.bsky.social
Research scientist at Eureka, Scientific. Small bodies of the Solar System. Avid paraglider pilot and traveler.
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
Go Tianwen-2! www.youtube.com/watch?v=GqjA...
Say hello to 311P for me:
en.wikipedia.org/wiki/311P/Pa...
Say hello to 311P for me:
en.wikipedia.org/wiki/311P/Pa...
Blastoff! China launches Tianwen-2 probe to collect samples from an Earth 'quasi-moon'
YouTube video by VideoFromSpace
www.youtube.com
May 28, 2025 at 10:43 PM
Go Tianwen-2! www.youtube.com/watch?v=GqjA...
Say hello to 311P for me:
en.wikipedia.org/wiki/311P/Pa...
Say hello to 311P for me:
en.wikipedia.org/wiki/311P/Pa...