Dr. Alysa Orbits (Obertas) @astroalysa.bsky.social · 27/09/2026A fountain? Where does the water come from? Here in the middle of the city. 020
Dr. Alysa Orbits (Obertas) @astroalysa.bsky.social · 05/07/2026Sometimes, when I need a little pick-me-up, I remind myself that this is the top Star Wars fic on AO3 160
Dr. Alysa Orbits (Obertas) @astroalysa.bsky.social · 04/06/2026Cat orbits for anyone curious. You can ignore the caption's technobabble and just meow. 231
Dr. Alysa Orbits (Obertas) @astroalysa.bsky.social · 04/06/2026I don't think I was okay when I was writing this. 030
Reposted by Dr. Alysa Orbits (Obertas)Rachel Cunliffe @rmcunliffe.bsky.social · 04/06/2026Classicist here to inform you all that this is ancient Greek for summoning a cat 2235221094
Dr. Alysa Orbits (Obertas) @astroalysa.bsky.social · 04/06/2026Does anyone have good resources (e.g. videos) for bridging the understanding between what something looks like in the sky and a top-down/side-view representation of the geometry in space? 100
Dr. Alysa Orbits (Obertas) @astroalysa.bsky.social · 04/06/2026The context for this is that Johannes Kepler's mum (Katharina Kepler) was arrested for witchcraft, possibly in relation to his story Somnium (17th century sci-fi about demons on the moon). 180
Dr. Alysa Orbits (Obertas) @astroalysa.bsky.social · 04/06/2026I forgot just how unhinged the footnotes are in my dissertation intro. 1131
Reposted by Dr. Alysa Orbits (Obertas)Chanda Prescod-Weinstein 🌌 @chanda.blacksky.app · 09/12/2025"The thing is, even if you're just thinking in terms of fiscal value, having gone through a degree program and being able to put it on your resumé/CV isn't the most significant return on your investment: the way you have further developed your mind is."news.chanda.scienceKnowledge Is Worth Your TimeA few thoughts about why we must embrace the hard work of learning. 1542188
Reposted by Dr. Alysa Orbits (Obertas)Jason Wright @astrowright.bsky.social · 07/12/2025Some have argued to me strongly that even if Loeb is wrong, he’s getting people interested in 3I/ATLAS and that’s a good thing for science. But Loeb isn't just wrong, he's recklessly following an old playbook that got 39 people killed in 1997. sites.psu.edu/astrowright/...sites.psu.eduLoeb’s Behavior is RecklessI’ve largely ignored Loeb for the past few weeks. When he started in on his 3I/ATLAS thing, there were plenty of mainstream media outlets willing to give his claims a wide and credulous platform, and ... 1622355
Reposted by Dr. Alysa Orbits (Obertas)Dr. Alysa Orbits (Obertas) @astroalysa.bsky.social · 08/12/2025There's now a release date and news about pre-ordering for Cloudy With a Chance of Starships! bsky.app/profile/seve... 012
Reposted by Dr. Alysa Orbits (Obertas)Seven Machina Rasmussen @toomanyspectra.bsky.social · 07/12/2025hi folks! CLOUDY WITH A CHANCE OF STARSHIPS has a release date: August 4, 2026! it also has a link! you can sign up here to receive a notification when the pre-order goes live ✨ press.princeton.edu/books/hardco...press.princeton.eduCloudy with a Chance of StarshipsAn entertaining tour of the seemingly simple formula guiding the search for extraterrestrial intelligence 1145
Reposted by Dr. Alysa Orbits (Obertas)ClimateBook @climatebook.bsky.social · 08/12/2025Paper day! A new paper on existence of subNeptune magma oceans, arising from a collaboration between Cambridge and my group. Lead author Robb Calder is Oli Shorttle's doctoral student. subNeptune Magma Oceans are getting to be a hot topic! arxiv.org/abs/2512.05816arxiv.orgMost Rocky Sub-Neptunes are Molten: Mapping the Solidification Shoreline for Gas Dwarf ExoplanetsSub-Neptunes are the most common type of detected exoplanet, yet their observed masses and radii are degenerate with several interior structures. One possibility is that sub-Neptunes have silicate/iro... 0115
Dr. Alysa Orbits (Obertas) @astroalysa.bsky.social · 08/12/2025A story in my save files (read from bottom up) 130
Reposted by Dr. Alysa Orbits (Obertas)Adsum for Women & Children @adsumforwomen.bsky.social · 06/12/2025We remember them always. Geneviève Bergeron Hélène Colgan Nathalie Croteau Barbara Daigneault Anne-Marie Edward Maud Haviernick Barbara Klucznik-Widajewicz Maryse Laganière Maryse Leclair Anne-Marie Lemay Sonia Pelletier Michèle Richard Annie St-Arneault Annie Turcotte 05634
Reposted by Dr. Alysa Orbits (Obertas)Chad Topaz Queer DEI Race Traitor @chadtopaz.bsky.social · 06/12/2025Ok activists and nerds... I promised that I was SO MAD ABOUT HOW CONFLICT-AVOIDANT "CENTRISTS" UNDERMINE RESISTANCE TO FASCISM that I would resort to math to make this point and that I would write it up in a paper. So, here ya go. Share, enjoy, and get up on that soapbox. osf.io/preprints/so... 13210
Reposted by Dr. Alysa Orbits (Obertas)AAUP chapter @UT Austin @utaustinaaup.bsky.social · 06/12/2025Academic freedom is applicable to anyone with a teaching role. You can’t ask graduate students to teach, advise students, and evaluate student work with granting them academic freedom. The recent debacle at OU and a previous one in the School of Social Work at UT Austin illustrate this. 37527
Reposted by Dr. Alysa Orbits (Obertas)Dr. Adeene Denton @spacewhalerider.com · 06/12/2025Honestly, in this economy? I *would* download a car 2151
Dr. Alysa Orbits (Obertas) @astroalysa.bsky.social · 06/12/2025Finished my first Crusader Kings 3 game by reaching the end date. Played the suggested Ireland game. Made an empire spanning most of Europe. I think my favourite achievement was founding my own religion and arresting the Pope.media.tenor.coma close up of a man 's face with the words `` it 's done '' written on the bottom .Alt: Close up of Frodo's face from Return of the King (the lava of Mt. Doom can be seen in the background). He looks utterly broken and is saying, "It's done." 170
Dr. Alysa Orbits (Obertas) @astroalysa.bsky.social · 05/12/2025Astro and physics folks, do you know of any good (& free) online resources for learning general relativity? I tend to do well with structured courses, even if I'm just learning on my own. But recorded lecture series, supplemental notes, suggestions for textbooks & notes, etc. would be helpful! 472
Dr. Alysa Orbits (Obertas) @astroalysa.bsky.social · 05/12/2025A great thread that I recommend reading through! I'll add that I've never regretted learning more physics. Granted, I was in an astro programme and I didn't do grad-level physics courses. But astrophysics has a bit of everything & it'll give you such a strong foundation. It's worth the work! 250
Reposted by Dr. Alysa Orbits (Obertas)Chanda Prescod-Weinstein 🌌 @chanda.blacksky.app · 04/12/2025A note on learning physics ⚛️ for starting PhD students: At the risk of saying something completely useless because everyone has it worked out There is no magic trick, your classmates *may* be faster than you, but they are still studying as long as they need to and you are quite capable of the same 742373
Reposted by Dr. Alysa Orbits (Obertas)Lain Kaplan, Mouthy Jewess 🏳️🌈💗🏳️⚧️ @lainkaplan.bsky.social · 04/12/2025An excellent thread on structural bullshit in academia, how to avoid mental traps, and encouragement to people from marginalized backgrounds. The system isn’t fair, but it can be gamed and it’s designed to intimidate people into failing. Don’t let them fool you. 23915
Reposted by Dr. Alysa Orbits (Obertas)RAS Journals @rasjournals.bsky.social · 05/12/2025Published in #MNRAS: "Redefining interiors and envelopes: hydrogen–silicate miscibility and its consequences for the structure and evolution of sub-Neptunes", Rogers et al. This is Fig. 2: for the caption & to read the paper please visit academic.oup.com/mnras/articl... 052
Reposted by Dr. Alysa Orbits (Obertas)Lorena Acuña @astrolore.bsky.social · 05/12/2025Hi all! If you are looking for a conference in exoplanet interiors in 2026, check out "Layers of Understanding: Model Intercomparisons of Exoplanet Interiors": layersofunderstanding2026.github.io It will take place in MPIA's campus in April 13-17th. The registration deadline is 15 January 2026 187
Reposted by Dr. Alysa Orbits (Obertas)Suzanne Aigrain @airbornegrain.bsky.social · 03/12/2025Interested in finding transiting planets at long periods, e.g. with the @platomissioncon.bsky.social? We just published a Research Note led by Geert Jan Talens, showing that such transits can be much longer or shorter than usually assumed iopscience.iop.org/article/10.3... 12210
Reposted by Dr. Alysa Orbits (Obertas)Brian Hughes @bmhughes.bsky.social · 01/12/2025This is actually quite brilliant, up to and including the final sentence 🔥 5682880111199
Reposted by Dr. Alysa Orbits (Obertas)Planetary Research Cooperative @coop.planetary-research.org · 01/12/2025🎉 Planetary Resarch, our diamond open access journal for #PlanetaryScience, will open for submissions on January 1, 2026 (or earlier for beta testers)! 🎉 planetary-research.org 12612
Reposted by Dr. Alysa Orbits (Obertas)DocHackenBOOOOOsh @dochackenbush.bsky.social · 01/12/2025Once again I have been compelled to draw an Absolute Unit. 151507422
Reposted by Dr. Alysa Orbits (Obertas)Ben Fletcher-Watson @bfletcherwatson.bsky.social · 30/11/2025Eleven years ago, I wrote to Tom Stoppard to ask about this coup de théâtre from 1949. It took me down an unexpected rabbit hole - in memory of Stoppard, here's what I found. 161465511
Reposted by Dr. Alysa Orbits (Obertas)ESA Space Science @science.esa.int · 28/11/2025For over a decade, #ESAGaia mapped our galaxy with stunning precision, rewriting the story of the Milky Way 👉 www.esa.int/ESA_Multimed... While Gaia no longer collects new data, its scientific mission is far from over! Upcoming are the Gaia Data Release 4 and the final legacy catalogue. 🔭esa.intGaia: Rewriting the story of the Milky Way 09819
Reposted by Dr. Alysa Orbits (Obertas)WIRED @wired.com · 28/11/2025With just a friend, a phone, and a few Lego bricks, you can accurately measure the size of our planet. www.wired.com/story/how-to...wired.comHow to Measure the Earth’s Radius With LegosWith just a friend, a phone, and a few Lego bricks, you can accurately measure the size of our planet. 39318
Reposted by Dr. Alysa Orbits (Obertas)Mark A. Hanson @hansonmark.bsky.social · 28/11/2025Scientific Reports has a ⬆️ Impact Inflation: a very high IF given their citation network (self-citing, citation cartels, etc). They'll even typeset & publish AI slop for a fee! Strain: bit.ly/StrainQSS Strain explorer β: pagoba.shinyapps.io/strain_explo... #SciPub #ResearchIntegrity #AcademicSky 23113
Dr. Alysa Orbits (Obertas) @astroalysa.bsky.social · 27/11/2025Dark mode of my transit method gif is now on wikimedia commons! :) commons.wikimedia.org/wiki/File:Ex... 060
Reposted by Dr. Alysa Orbits (Obertas)Chanda Prescod-Weinstein 🌌 @chanda.blacksky.app · 26/11/2025LIBRARIES MAKE BOOKS ACCESSIBLE TO EVERYONE, she shouts, apparently inaudibly WHY DO THESE "YOU'RE A CLASS TRAITOR" PEOPLE KEEP PRETENDING LIBRARIES DON'T EXIST? ARE THEY CLASS TRAITORS WHO DON'T BELIEVE IN LIBRARIES? 17805157
Reposted by Dr. Alysa Orbits (Obertas)Saavik ‘Careful of the Ankle’ Ford @saavikford.bsky.social · 26/11/2025As a newly elected department chair… why am I thinking of this AO3 entry today? No reason, I’m sure… (It is the Wednesday before Thanksgiving, and a student needs a snake for her defense.)archiveofourown.org 1131
Dr. Alysa Orbits (Obertas) @astroalysa.bsky.social · 26/11/2025A reminder that this gif and a similar one for the transit method are on Wikimedia Commons for anyone to use. I'm actually putting together a teaching dossier at the moment and I'd love to hear from people if you've used any of my gifs for teaching, outreach, or science stuff! Links to gifs below: 511516
Dr. Alysa Orbits (Obertas) @astroalysa.bsky.social · 26/11/2025Omgomg my gif demonstrating using the doppler/radial velocity method for detecting exoplanets was used in the latest PBS Space Time!!!!! 🤩 1021914
Dr. Alysa Orbits (Obertas) @astroalysa.bsky.social · 25/11/2025Jörgen Dance is doing a tour of the Nutcracker across Ontario, including in smaller communities. The Nutcracker is a really magical experience for kids and it's often their first exposure to ballet. I hope the truck & set pieces are located :( www.cbc.ca/news/canada/...cbc.caWho stole the Nutcracker set? Travelling ballet says truck with backdrops inside swiped | CBC NewsA ballet company on an Ontario-wide tour of The Nutcracker says someone stole the moving truck storing its “irreplaceable” sets and backdrops. 110
Dr. Alysa Orbits (Obertas) @astroalysa.bsky.social · 23/11/2025I want to post something happier today as well, so here are some scientists whom I recommend platforming and financially supporting! I'm a bit out of the loop, so I'm bound to miss people. Please reply with your own recommendations! 22510
Dr. Alysa Orbits (Obertas) @astroalysa.bsky.social · 23/11/2025Highly recommend this video about Lawrence Krauss and Jeffrey Epstein from Rebecca Watson (@skepchick.org) CW discussion of sexual assault youtu.be/VNLdyWPAz18?...youtu.beSo I'm in the Epstein FilesYouTube video by Rebecca Watson (Skepchick) 261
Reposted by Dr. Alysa Orbits (Obertas)🎃 🕯️ Monica Valentinelli is Sipping Tea. 🐈⬛ ☕ @booksofm.com · 20/11/2025If you use GMail, AI (Gemini) was turned on yesterday by default and now scans all of your content for machine learning. To turn off, go to Settings>General and scroll down. Uncheck the box for "Smart features." There's other "Smart" add-ons as well, but that's the one that reads your content. 319106797931
Dr. Alysa Orbits (Obertas) @astroalysa.bsky.social · 21/11/2025Astronomy & science history folks, does anyone know more about what this would have been used for? Just saw it in the Saints, Sinners, Lovers, and Fools exhibit @romtoronto.bsky.social! 🔭 I'm guessing we're seeing a depiction of the "heavens" (celestial sphere). I also spot the names of the planets 121
Reposted by Dr. Alysa Orbits (Obertas)Robert McNees @mcnees.bsky.social · 21/11/2025People learn through practice and challenge; not by receiving answers. But a deeper problem is that an essential aspect of teaching is helping someone organize their thinking in new ways. LLMs — systems which cannot think or appreciate thinking — are incapable of doing this in a meaningful way. 312533
Dr. Alysa Orbits (Obertas) @astroalysa.bsky.social · 21/11/2025Please let me know if you play Crusader Kings because I need someone who's interested to talk about it with me! 020
Reposted by Dr. Alysa Orbits (Obertas)Katie Mack @astrokatie.com · 21/11/2025It’s widely known (and, I think, pretty uncontroversial) that learning requires effort — specifically, if you don’t have to work at getting the knowledge, it won’t stick. Even if an LLM could be trusted to give you correct information 100% of the time, it would be an inferior method of learning it. 8755871573
Dr. Alysa Orbits (Obertas) @astroalysa.bsky.social · 21/11/2025When I ran AstroTours, occasionally people would come in to ask us about their astrophysics theories. Anyhow, a reminder that these kinds of inquiries aren't limited to digital communications. Keep your volunteers at your outreach events in mind! 172