Johanna Teske
@johannateske.bsky.social
She/her/hers. Astronomer, runner, feminist, vegan, Nats fan, Peloton fan.
If you want a big spectacular book-adaptation American movie about a reluctant clever hero on an impossible journey through weird places (which I do), Project Hail Mary is great.
I cannot rest from discourse. I will see that film again tomorrow. I will drink life to the lees. Again I will enjoy greatly, will suffer greatly, both with those that love me, and in Pleasantville NY. I am become a meme. Film showing: burnsfilmcenter.org/booking/the-...
The Odyssey : Jacob Burns Film Center
The Odyssey, Matt Damon, Tom Holland, Christopher Nolan, Zendaya, Robert Pattinson, Odysseus, Greek, Classic, Antiquity
burnsfilmcenter.org
This is definitely the most that I have ever talked about my life story — at @cascadepbs.org IDEAS Festival with @radiolab.bsky.social’s amazing!!!! Molly Webster: youtu.be/BdwK3ME1l_Y?...
WNYC presents Radiolab: Science has an Identity Crisis | Cascade PBS Ideas Festival
YouTube video by Cascade PBS
youtu.be
Nature did a short piece on our preprint about how LLMs will affect the practice of science; my more detailed thread is below.
Scientists using LLMs will ‘do more, less well’, modelling study predicts
Research suggests that the combination of incentives to publish and the use of large language models will lead to more papers, but they will be less refined.
nature.com
Carl T. Bergstrom@carlbergstrom.com · 2w ago1. We—@eduede.bsky.social, @mjcrockett.bsky.social, Kevin Gross, and I—have a new preprint on the arXiv today, based on ideas that emerged during an @sfiscience.bsky.social workshop in November 2024: The unintended consequences of large language models as a labor-augmenting technology in science.
Hey folks! I'm teaching "Geology of the Solar System" this fall & would love to have my students chat with fun, intelligent &diverse people doing planetary/astrobio stuff. Interested? Ping me! @elakdawalla.bsky.social @aussiastronomer.bsky.social @planettreky.bsky.social @francypants.bsky.social
The countdown is on for the debut of the Nancy Grace Roman Space Telescope, which is named for NASA’s first chief astronomer. The Roman telescope is slated to launch on Aug. 30 aboard a SpaceX Falcon Heavy rocket from NASA’s Kennedy Space Center in Florida, per NASA. #NASARoman
Here's What The ‘Most Advanced Telescope Ever' Is Going to Reveal
The Nancy Grace Roman Telescope is expected to launch Aug. 30 and help unlock mysteries around dark matter, exoplanets and more.
today.com
STScI's Dr. Rachel Beaton will join this panel to explore Dr. Roman's scientific vision, leadership, philanthropy, and enduring influence on astronomy. 🔭
The Astro Society@astrosociety.org · 6d agoFREE panel event kicking off our conference on Thursday, August 27 at 5pm PT/8pm ET! Celebrate the life & legacy of Dr. Nancy Grace Roman with a panel moderated by Dr. France Córdova, exploring Dr. Roman’s vision, leadership, philanthropy, & enduring influence on astronomy. Our esteemed panel:
I really enjoyed this collaboration: it goes to show that especially in the sciences, where data remains costly, Bayesian approaches like BO, BAL, and BED can make a difference. Also, I guess this is officially my first astrophysics paper, very exciting! 🔭🪐🌌
Forming Worlds Lab@formingworlds.space · last wk.Harrison worked closely with our group all through his PhD, and still does. His new paper asks what you can learn about an exoplanet by fitting its whole life instead of a snapshot of today. 🔭 https://arxiv.org/abs/2607.25845 #Exoplanets #PlanetaryScience
Thankful to once again be a finalist for the New England Book Awards! I think, as with last time, I know who is gonna win. But I’m really glad to be in the mix with a discerning set of readers: indie booksellers!! www.newenglandbooks.org/book-awards
Machine learning and BO is new ground for me, coming from an atmospheres-theory background (@oxoplanets.bsky.social) - it's been fun! This paper has been submitted for review. With @timlichtenberg.bsky.social, Robb Calder (Cambridge), and Vincent Fortuin and Ben Reigler (Helmholtz #AI).
We use #Bayesian optimisation to apply the proteus-framework.org interior-atmosphere evolution model. For three exoplanet prototypes, we retrieve the initial magma ocean conditions that evolve into what #JWST could observe. For terrestrials, we can efficiently estimate redox states and core sizes.
New paper on arXiv today! On the efficacy of using novel Bayesian machine learning to dispatch 'expensive' forward models of planetary evolution. This connects with #PLATO ageing and can help solve degeneracies in current static-retrieval approaches which treat #exoplanets as snapshots.
Constraining the lives and times of exoplanets through evolutionary Bayesian retrievals
Static retrieval frameworks are leading tools for interpreting exoplanet observations, yet time-independent modelling leaves them prone to degeneracy and unable to resolve exoplanets' histories. The c...
arxiv.org
They do what now
Jeff Groh@jeffgroh.bsky.social · last wk.Avocados come in 2 varieties - A-types start each day female and switch to male midday. B-types do the reverse. In work just published from the last chapter of my PhD, we show this system evolved 40+million yrs ago and is regulated by alleles of 1 transcription factor www.pnas.org/doi/10.1073/...
Become a full stack engineer for @stsci.edu. 🧪 🔭 #astrocode Must be US citizen or permanent resident. Due Aug 24! apply.workable.com/stsci/j/2194...
Full Stack Software Engineer II - Space Telescope Science Institute
Full Stack Software EngineerThe Space Telescope Science Institute (STScI), operated by the Association of Universities for Research in Astronomy (AURA), is NASA’s science operations center for mission...
apply.workable.com
Actually this is the right answer not the wrong answer and I stand by it.
Dr. Jessie Christiansen@aussiastronomer.bsky.social · last wk.Best film adaptation of The Odyssey, wrong answers only.
Easy decision: so long, DoorDash. I will never support any company that undermines DC home rule. DoorDash is no exception. No home rule, no home delivery.
Martin Austermuhle@maustermuhle.bsky.social · 2w agoInteresting: DoorDash is supporting the GOP bill in Congress to limit D.C.'s ability to increase or decrease taxes and fees, largely in response to the D.C. Council's recent vote in impose a new 20-cent delivery fee to help fund food-access programs. www.notus.org/metro/uberea...
Helm'S Deep King Theodin
ALT: Helm'S Deep King Theodin
static.klipy.com
JWST Observer@jwstobserver.bsky.social · 2w agoThe Cycle 6 Call for Proposals for the James Webb Space Telescope (#JWST) General Observer and Survey time and funding for Archival Research has been released. Read more: ow.ly/g9q150Zq3Ww
Very proud of my student Collin Cherubim for his discovery of an atmosphere on the habitable-zone exoplanet LHS 1140 b! www.science.org/doi/10.1126/... www.nytimes.com/2026/07/16/s...
Astronomers Find an Atmosphere on a Nearby Earthlike Planet
It’s the first potentially habitable world known to host an atmosphere, making it a lead contender in the search for life beyond our solar system.
nytimes.com
Yay Emma! 🥳
Forming Worlds Lab@formingworlds.space · 3w agoNew paper led by Emma Postolec, her first as lead author, PhD student at @kapteynastro.bsky.social 🌋 "Atmospheric evolution through outgassing and escape on young molten rocky exoplanets" Read the paper: https://arxiv.org/abs/2607.15011 #Exoplanets #PlanetaryScience
"In Detroit, the air quality index reached a value of 728 late Wednesday, far worse than the peak of 465 in New York during the apocalyptic June 2023 fires." www.washingtonpost.com/weather/2026...
Wildfire smoke will worsen in the Northeast and Mid-Atlantic through Friday
More than 115 million people could be exposed to unhealthy air quality. See the forecast for 20 cities.
washingtonpost.com
Chris Hayes@chrislhayes.bsky.social · 3w agoSo far this year we've had: the warmest winter on record in the mountain west, a record-shattering heat wave in Europe, once in a thousand year rainfall and flooding texas and forest fire smoke blanketing the mid west and the north east. Feels like something's going on with the climate!
I had the honor of giving a keynote at the International Conference on Machine Learning last week. I addressed the widespread anxiety about how we should adapt as AI capabilities increase. I was thrilled by the talk’s reception, so I have made my slides available www.cs.princeton.edu/~arvindn/tal...
What will be left for us to work on?
ICML 2026 invited keynote — slides and edited transcript, presented click-by-click as delivered. Arvind Narayanan, Princeton University.
cs.princeton.edu
I'm consumed be "externalities" that private companies quietly distribute across humanity for profit while preaching narratives about "progress". Add in "Shifting Baseline Syndrome" and most people don't notice what's happening until it is too late. Some underlying verifiable facts 👇 ✨🔭🧪
Two cool things I want to highlight: i) no coronagraphs were used in the making of this discovery. Just the pure raw power of adaptive optics! ii) Look at that Airy ring around b 🤩 that shows we were working at the diffraction limit of the telescope which enabled us to get its best resolution!
beta Pic d had a good run at hide-and-seek, but now it’s found and its a great system for studying in even more detail. It tells us that we are far from done with even the most well-studied systems and that more planets are very likely hiding out there still. Count from 10 everyone, let’s get going!
Both teams discovered the planet serendipitously, and agreed not to share their work until publication so not to bias their interpretations, and got highly complementary results, one studying the atmosphere in detail, the other studying the planet orbit and its disk-shaping effects.
Aidan Gibbs at his team in the US had also seen d while looking at b with JWST! They got a spectrum which shows water, methane, and carbon monoxide in the planet atmosphere. Our observations also suggest there is carbon dioxide too.