Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 11/09/2026In 2010 I gave some advice to a couple of colleagues over dinner in Bangalore. Two days ago I got quoted (favorably) for it in the Indian Express. It's such a pleasure to see that I got it right, at least that once. 141
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 07/09/2026Old dogs club with Amber Szalay and Nipin Vishniac. 0111
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 02/09/2026This is not just about philosophy. www.smbc-comics.com/comic/philos...smbc-comics.comSaturday Morning Breakfast Cereal - PhilosophySaturday Morning Breakfast Cereal - Philosophy 010
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 27/08/2026I have lived near Lake Ontario for about twenty years of my life, off and on. It's a good name for a lake. 050
Reposted by Ethan Vishniac 🇺🇦🇨🇦🇺🇸Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 07/03/2025I can’t believe I have to say this, but.. Don’t say you’re moving to Canada unless you’ve cleared it with the Canadian authorities. Don’t fantasize about how Canadians would vote in US elections. That’s just the flip side of Trump’s ambitions. Finally, don’t laugh. Trump is as serious as death. 171
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 24/08/2026youtu.be/uqZ9EOnR6Pg 🔭 AAS Journal Author Series: Emerson Whittaker on 2026PSJ.....7..148W Emerson Whittaker (University of California, Los Angeles) chat about their article on analyzing 1.5 million W3 Wide-field Infrared Survey Explorer (WISE) images acquired between 2010 January 7 1/5youtu.beAAS Journal Author Series: Emerson Whittaker on 2026PSJ.....7..148WYouTube video by AAS 161
Reposted by Ethan Vishniac 🇺🇦🇨🇦🇺🇸The Volatile Mermaid @ohnoshetwitnt.bsky.social · 11/08/2026The only time Republicans get upset about kids getting shot is when it’s with vaccines. 61546396
Reposted by Ethan Vishniac 🇺🇦🇨🇦🇺🇸Orcspiration @orcspiration.bsky.social · 10/08/2026YOUR ENEMIES LAMENT YOUR VERY EXISTENCE. ARE YOU HYDRATED? 03612
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 29/07/2026youtu.be/I4sw9IsIQ_0 🔭 AAS Journal Author Series: Alejandro Cruz-Osorio on 2026ApJ.1001.227C Alejandro Cruz-Osorio (Universidad Nacional Autónoma de México) chats about his article on the first application of an ab initio approach to the electron temperature derived from microscopic simulations 1/4youtu.beAAS Journal Author Series: Alejandro Cruz-Osorio on 2026ApJ..1001..227CYouTube video by AAS 100
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 24/07/2026This is extremely important and gives additional insight (if any were needed) about the proposed OMB rules 011
Reposted by Ethan Vishniac 🇺🇦🇨🇦🇺🇸Prof Anna Watts @profannawatts.bsky.social · 24/07/2026The Universe has lost a mighty force. Farewell to a dear friend, wonderful scientist, and excellent co-conspirator. www.astronomie.nl/nieuws/en/in...astronomie.nlIn memoriam Ralph Wijers, astrophysicist (1964–2026) 2427
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 23/07/2026“The Trump administration hates academic science funding, full stop. They hate where that money goes, and they hate who it goes to. They want to keep all that money for themselves, to hand out to favored cronies who can help them get elected “ 070
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 23/07/2026Checked the packages in the mailroom for the first time in months, and I found two books explaining gravity to me. This would be great, except that they contradict each other (and GR, but that's a given). 040
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 21/07/2026youtu.be/_r0KFK192jA 🔭 AAS Journal Author Series: Luis Zapata and Luis Rodríguez on 2026ApJ...999..219Z Luis Zapata (Universidad Nacional Autónoma de México) and Luis Rodríguez (Universidad Nacional Autónoma de México; Universidad Autónoma de Chiapas) chat about their article 1/4youtu.beAAS Journal Author Series: Luis Zapata and Luis Rodríguez on 2026ApJ...999..219ZYouTube video by AAS 100
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 14/07/2026youtu.be/PCdqIf7zgLI 🔭 AAS Journal Author Series: Julien de Wit and Andy Rivkin on 2026ApJ..1003L..21D Julien de Wit (MIT) and Andy Rivkin (Johns Hopkins University Applied Physics Laboratory) chat about their article presenting new JWST/NIRCam observations on near-Earth object 2024 YR4 1/4youtu.beAAS Journal Author Series: Julien de Wit and Andy Rivkin on 2026ApJ..1003L..21DYouTube video by AAS 141
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 01/07/2026Happy Canada Day to all who celebrate. 010
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 01/07/2026youtu.be/5zF7oWZ954I 🔭 AAS Journal Author Series: Srinivasan Raghunathan on 2026ApJ..1002L..22R Srinivasan Raghunathan (UC Davis) chats about his article on a measurement of the full shape of the power spectrum of the thermal Sunyaev–Zel’dovich (tSZ) effect down to arcminute scales 1/3youtu.be 111
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 30/06/2026youtu.be/qTJn5Rfo568 🔭 AAS Journal Author Series: Zhen Pan and Dong Lai on 2026ApJ..1002L..14P Zhen Pan (Shanghai Jiao-Tong University) chats about his article on the candidate repeating partial tidal disruption events (rpTDEs) has been reported in recent years. 1/3youtu.beAAS Journal Author Series: Zhen Pan and Dong Lai on 2026ApJ..1002L..14PYouTube video by AAS 100
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 30/06/2026youtu.be/MWjXuvNK3hM 🔭 AAS Journal Author Series: Zoe Hacksaw on 2025ApJ...995..140H Zoe Hacksaw (UT Austin) chats about her article on a system hosting the most massive known stellar-origin black hole and the lowest-metallicity star yet discovered in orbit around a black hole.youtu.beAAS Journal Author Series: Zoe Hacksaw on 2025ApJ...995..140HYouTube video by AAS 100
Reposted by Ethan Vishniac 🇺🇦🇨🇦🇺🇸Amanda Kolson Hurley @amandakhurley.bsky.social · 27/06/2026Incredible chart from @propublica.org. If you don’t follow enviro stuff closely, your instinct might be that the hold-your-nose solution (carbon capture from fossil fuels) would be the “pragmatic” one versus covering Earth in solar panels, which seems utopian. In fact it’s the opposite 572633957
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 19/06/2026youtu.be/yRLSJvFA_5I 🔭 AAS Journal Author Series: Kayla Smith and Mark Marley on 2026ApJ..1000..304S Kayla Smith (University of Arizona) chats about her article on a new set of equilibrium temperature evolution tracks for brown dwarfs that use the outputs of modern brown dwarf evolution models 1/3youtu.beAAS Journal Author Series: Kayla Smith and Mark Marley on 2026ApJ..1000..304SYouTube video by AAS 131
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 18/06/2026youtu.be/oe7UkyBKN0A 🔭 AAS Journal Author Series: Mikayla Wilson on 2025AJ....170..357W Mikayla Wilson (UC Santa Cruz) chats about her article on JWST Near-infrared Spectrograph observations of the planetary-mass Y dwarf (T = 250–285 K, M = 6.5 ± 3.5M_Jup′, d = 2.3 pc) WISE J085510.83–071442.5 1/3youtu.beAAS Journal Author Series: Mikayla Wilson on 2025AJ....170..357WYouTube video by AAS 111
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 18/06/2026youtu.be/y2m5436s5Vg 🔭 AAS Journal Author Series: Christian Aganze on 2024ApJ...962..151A Christian Aganze (Stanford U., UC San Diego) chats about his article on exploring the prospects for detecting gaps in stellar streams in M31 and other nearby galaxies with resolved stars; 1/2youtu.beAAS Journal Author Series: Christian Aganze on 2024ApJ...962..151AYouTube video by AAS 131
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 18/06/2026youtu.be/IDTs0esMIjI 🔭 AAS Journal Author Series: Miranda Pikus and Paul Duffell on 2026ApJ..1002..104P Miranda Pikus and Paul Duffell (Purdue University) chat about their article on how thermal cooling creates structural changes in supernova remnants as they evolve, 1/3youtu.beAAS Journal Author Series: Miranda Pikus and Paul Duffell on 2026ApJ..1002..104PYouTube video by AAS 100
Reposted by Ethan Vishniac 🇺🇦🇨🇦🇺🇸Randall Munroe @xkcd.com · 09/06/2026Planetary Science xkcd.com/3255/ 143390484
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 04/06/2026youtu.be/qmbQtQ61CGY 🔭 AAS Journal Author Series: Sophie Deam and Michele Bannister on 2026PSJ.....7...88D Sophie Deam (Curtin University, University of Canterbury) and Michele Bannister (University of Canterbury) chat about their article on interstellar comet 2I/Borisov,youtu.beAAS Journal Author Series: Sophie Deam and Michele Bannister on 2026PSJ.....7...88DYouTube video by AAS 167
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 03/06/2026youtu.be/vBA9B2MuH8g 🔭 AAS Journal Author Series: Alessandro Mura on 2026PSJ.....7...85M Alessandro Mura (Istituto di Astrofisica e Planetologia Spaziali) chats about his article on the thermal properties of 30 active lava lakes on Io, 1/3youtu.beAAS Journal Author Series: Alessandro Mura on 2026PSJ.....7...85MYouTube video by AAS 110
Reposted by Ethan Vishniac 🇺🇦🇨🇦🇺🇸lauren @lauren.rotatingsandwiches.com · 29/05/2026BREAKING: Janice, last surviving member of rock group Dr. Teeth & the Electric Mayhem, disavows any connections to 250th anniversary concert promoted by WH 👇 1105330883
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 26/05/2026youtu.be/aQoe4espVzc 🔭 AAS Journal Author Series: Rosalia O’Brien on 026ApJ..1000....6O Rosalia O’Brien (NASA GSFC; Arizona State University) chats about her article on an improved zodiacal light model that incorporates analytical forms of both the scattering phase function and albedo that 1/4youtu.beAAS Journal Author Series: Rosalia O’Brien on 026ApJ..1000....6OYouTube video by AAS 130
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 26/05/2026youtu.be/U3EpiakLGkE 🔭 AAS Journal Author Series: Zachary Way and Sébastien Lépine on 2026AJ....171..252W Zachary Way and Sébastien Lépine (Georgia State University) chat about their article on a method to differentiate binary stars from single-star main-sequence K and M dwarfs 1/3youtu.beAAS Journal Author Series: Zachary Way and Sébastien Lépine on 2026AJ....171..252WYouTube video by AAS 110
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 26/05/2026youtu.be/FY6IA7hH6HU 🔭 AAS Journal Author Series: Madeline Lucey and Cecilia Mateu on 2026AJ....171..249L Madeline Lucey (University of Pennsylvania) and Cecilia Mateu (Universidad de la República Iguá) chat about their article on characterizing the three-dimensional density distribution of 1/3youtu.beAAS Journal Author Series: Madeline Lucey and Cecilia Mateu on 2026AJ....171..249LYouTube video by AAS 120
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 14/05/2026youtu.be/eewSudl4w34 🔭 AAS Journal Author Series: Julianne Dalcanton on 2026ApJS..283...25D Julianne Dalcanton (Flatiron Institute, U. of Washington) chats about her article on greatly expanding the available Hubble Space Telescope imaging of galaxies drawn from the Arp and Arp–Madore catalogs,youtu.beAAS Journal Author Series: Julianne Dalcanton on 2026ApJS..283...25DYouTube video by AAS 141
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 11/05/2026youtu.be/iHERs5D6qhg 🔭 AAS Journal Author Series: Matija Ćuk and Maryame El Moutamid on 2026PSJ.....7...52C Matija Ćuk (SETI Institute) and Maryame El Moutamid (Southwest Research Institute) chat about their article on numerical integrations that show Saturn’s obliquity was likely 1/3youtu.beAAS Journal Author Series: Matija Ćuk and Maryame El Moutamid on 2026PSJ.....7...52CYouTube video by AAS 140
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 08/05/2026youtu.be/l3XmhEKcJwM 🔭 AAS Journal Author Series: Sara Morrissey and Adam Burgasser on 2026AJ..171.191M Sara Morrissey (UCSD, U. Notre Dame) and Adam Burgasser (UCSD) chat about their article on near-infrared spectral model fits to seven distant L- and T-type dwarfs observed with the JWST Nearyoutu.beAAS Journal Author Series: Sara Morrissey and Adam Burgasser on 2026AJ....171..191MYouTube video by AAS 120
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 08/05/2026youtu.be/6_wHXoEN15o 🔭 AAS Journal Author Series: Chaucer Langbert and Dániel Apai on 2026PSJ..7.58L Chaucer Langbert and Dániel Apai (U. of Arizona) chat about their article on dynamical simulations to study Earth-like planets with a fourth (potentially strong) generalized climate feedback;youtu.beAAS Journal Author Series: Chaucer Langbert and Dániel Apai on 2026PSJ.....7...58LYouTube video by AAS 110
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 24/04/2026youtu.be/qNX_uJvxiKs 🔭 AAS Journal Author Series: Sergei Popov and Galina Lipunova on 2026RNAAS..10...46P Sergei Popov (Sternberg Astronomical Institute) and Galina Lipunova (Max-Planck-Institut für Radioastronomie) chat about their article on a proposal that the recently discovered 1/3youtu.beAAS Journal Author Series: Sergei Popov and Galina Lipunova on 2026RNAAS..10...46PYouTube video by AAS 111
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 23/04/2026I read "The Camp of the Saints" when I was in High School. I think I was about 14. (I am now 70.) It was not a formative experience. (thread of indeterminate length) 100
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 20/04/2026The American Astronomical Society editorial meeting in Toronto this last weekend. My arms are not actually that long. 040
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 20/04/2026youtu.be/2QMrDo8P2ME 🔭 AAS Journal Author Series: Eva Laplace and Vincent Bronner on 2026ApJ...998L..40L Eva Laplace (KU Leuven, University of Amsterdam) and Vincent Bronner (Universität Heidelberg) chat about their article on the hydrodynamic evolution of massive red supergiants, 1/2youtu.beAAS Journal Author Series: Eva Laplace and Vincent Bronner on 2026ApJ...998L..40LYouTube video by AAS 100
Reposted by Ethan Vishniac 🇺🇦🇨🇦🇺🇸NY Times Pitchbot @nytpitchbot.bsky.social · 18/04/2026A peer reviewed study shows a promising link between flu and shingles vaccines and a reduced risk of dementia. A heroin addict who cut off a raccoon’s penis for “further study” says these vaccines cause autism. For busy Americans, it can be hard to know who to trust. 3146751172
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 14/04/2026youtu.be/lSJETmzn464 🔭 AAS Journal Author Series: Masahiro Ogihara on 2026ApJ...996...91O Masahiro Ogihara (Shanghai Jiao Tong University) chats about his article on clarifying under what conditions the observed features of orbital period ratios of super-Earths can be explained, 1/2youtu.beAAS Journal Author Series: Masahiro Ogihara on 2026ApJ...996...91OYouTube video by AAS 110
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 08/04/2026youtu.be/3XzSGIVlOqw 🔭 AAS Journal Author Series: Zesen Huang on 2026ApJ...999L...4H Zesen Huang (University of California, Los Angeles) chats about his article on in situ evidence of 5 minute p-mode oscillations in the upper solar corona, 1/2youtu.beAAS Journal Author Series: Zesen Huang on 2026ApJ...999L...4HYouTube video by AAS 110
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 06/04/2026I don’t know why people are surprised that that US is bombing universities. Is it both cruel and counterproductive? Of course, but I firmly believe that Trump would be totally on board with bombing US universities. 030
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 06/04/2026youtu.be/tJ3fORyZnbw AAS Journal Author Series: Tania Barone on 2026AJ....171...57B Tania Barone (Swinburne University of Technology) chats about her article on the ongoing effort to spectroscopically confirm a diverse sample of gravitational lenses with high spatial resolution imaging,1/2youtu.beAAS Journal Author Series: Tania Barone on 2026AJ....171...57BYouTube video by AAS 100
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 06/04/2026youtu.be/mfY9k6E1lq0 AAS Journal Author Series: Matteo Cerruti, Annika Rudolph, and Maria Petropoulou on 2026 ApJS..282...22C Matteo Cerruti (Université Paris Cité), Annika Rudolph (Deutsches Elektronen-Synchrotron DESY, Niels Bohr Intl. Acad. and DARK), and Maria Petropoulou (U. of Athens) 1/3youtu.beAAS Journal Author Series: Matteo Cerruti, Annika Rudolph, Maria Petropoulou on 2026ApJS..282...22CYouTube video by AAS 100
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 06/04/2026youtu.be/noaAB-o2D7Q AAS Journal Author Series: Crystal Martin on 2026ApJ...997..102M Crystal Martin (University of California Santa Barbara) chats about her article on new JWST/NIRSpec and Keck/LRIS spectra of nine reionization-era Lyα emitters in the redshift z ∼ 7 protocluster LAGER-z7OD1, 1/2youtu.beAAS Journal Author Series: Crystal Martin on 2026ApJ...997..102MYouTube video by AAS 100
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 06/04/2026youtu.be/-M8eMq0nS6k Peer Review Workshop at the AAS 248 Meeting in Pasadena on Sunday 14 June 2026 AAS Publishing is delighted to offer a Peer Review Workshop at the AAS 248 Meeting in Pasadena on Sunday 14 June 2026. Apply to attend! aas.org/posts/news/2... .youtu.bePeer Review Workshop at the AAS 248 Meeting in Pasadena on Sunday 14 June 2026YouTube video by AAS 010
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social · 06/04/2026youtu.be/Y9lW7UBdN7A AAS Journal Author Series: Guilherme Limberg on 2025ApJ...989L..18L Guilherme Limberg (University of Chicago) chats about his article on the discovery of a star with [Fe/H] = −4.82 ± 0.25 and one of the lowest metal mass fractions ever found (Z ≲ 1.0 × 10⁻⁶). 1/3youtu.beAAS Journal Author Series: Guilherme Limberg on 2025ApJ...989L..18LYouTube video by AAS 110