Bryce Bolin
@brycebolin.bsky.social
Research scientist at Eureka, Scientific. Small bodies of the Solar System. Avid paraglider pilot and traveler.
JWST observations of C/2025 K1 are happening now:
spacetelescopelive.org/webb?obsId=0...
Go James Webb, go!
spacetelescopelive.org/webb?obsId=0...
Go James Webb, go!
January 7, 2026 at 9:52 AM
JWST observations of C/2025 K1 are happening now:
spacetelescopelive.org/webb?obsId=0...
Go James Webb, go!
spacetelescopelive.org/webb?obsId=0...
Go James Webb, go!
Happy New Year, everyone!
Gemini multi-band follow-up of fragmenting Oort cloud comet C/2025 K1 (ATLAS)
www.astronomerstelegram.org?read=17570
Gemini multi-band follow-up of fragmenting Oort cloud comet C/2025 K1 (ATLAS)
www.astronomerstelegram.org?read=17570
January 1, 2026 at 3:12 AM
Happy New Year, everyone!
Gemini multi-band follow-up of fragmenting Oort cloud comet C/2025 K1 (ATLAS)
www.astronomerstelegram.org?read=17570
Gemini multi-band follow-up of fragmenting Oort cloud comet C/2025 K1 (ATLAS)
www.astronomerstelegram.org?read=17570
A Gemini post-perihelion view of interstellar comet 3I/ATLAS: www.astronomerstelegram.org?read=17561
December 24, 2025 at 8:56 PM
A Gemini post-perihelion view of interstellar comet 3I/ATLAS: www.astronomerstelegram.org?read=17561
Meet Dr. Larry Denneau, the discoverer of the interstellar object 3I/ATLAS: www.space.com/astronomy/co...
Interstellar comet 3I/ATLAS wasn't supposed to be there — meet the astronomer who discovered it
Dr. Larry Denneau of the University of Hawaii is nothing like your typical astronomer.
www.space.com
December 17, 2025 at 11:32 PM
Meet Dr. Larry Denneau, the discoverer of the interstellar object 3I/ATLAS: www.space.com/astronomy/co...
Interstellar comet 3I/ATLAS has a post-perihelion greenish glow in time for the holidays :) noirlab.edu/public/news/...
Gemini North Color Images Reveal Greenish Glow of Comet 3I/ATLAS - Community observing program Shadow the Scientists took the public on a second tour of the famous interstellar visitor with live obser...
Gemini North captured new images of Comet 3I/ATLAS after it reemerged from behind the Sun on its path out of the Solar System. The data were collected during a Shadow the Scientists session — a unique...
noirlab.edu
December 13, 2025 at 11:15 PM
Interstellar comet 3I/ATLAS has a post-perihelion greenish glow in time for the holidays :) noirlab.edu/public/news/...
Reposted by Bryce Bolin
New results from the International Gemini Observatory 🔭 on interstellar comet 3I/ATLAS, in which it continues to do fun cometary things! The new spectrum confirms 3I/ATLAS is actively emitting CN, C3, and C2 gases, plus a visible dust fan. www.astronomerstelegram.org?read=17503
December 9, 2025 at 10:36 PM
Our team recently won Director's time to study the fragmenting comet C/2025 K1:
www.stsci.edu/jwst-program...
Image credits Gianluca Masi:
www.virtualtelescope.eu/2025/11/29/c...
www.stsci.edu/jwst-program...
Image credits Gianluca Masi:
www.virtualtelescope.eu/2025/11/29/c...
December 2, 2025 at 10:52 PM
Our team recently won Director's time to study the fragmenting comet C/2025 K1:
www.stsci.edu/jwst-program...
Image credits Gianluca Masi:
www.virtualtelescope.eu/2025/11/29/c...
www.stsci.edu/jwst-program...
Image credits Gianluca Masi:
www.virtualtelescope.eu/2025/11/29/c...
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...