iiinova — where your digital self keeps evolving

Reposted by Joanna Drążkowska

Laura Kreidberg @lkreidberg.bsky.social · 09/09/2026

Applications are open for Max Planck Research Groups - these are a great gig: six years of funding with support for the group leader + students and postdocs (up to 2.9 MEuro). Contact me if you have any questions about applying for one hosted at MPIA!

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Laura Kreidberg @lkreidberg.bsky.social · 04/09/2026

Happy to share two postdoc ads for positions in the APEx department at MPIA - please spread the word! - direct imaging and spectroscopy of wide-separation planets with Wolfgang Brandner aas.org/jobregister/... - forward modeling of exoplanet atmospheres with Elsie Lee aas.org/jobregister/...

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Forming Worlds Lab @formingworlds.space · 23/07/2026

New paper led by Joe Williams (@exeter.ac.uk), with our group among the co-authors ❄️ "Planetesimal Formation Across the Stellar Mass Spectrum and its Influence on Exoplanet-Inherited Volatile Budgets" Read the paper: arxiv.org/abs/2607.20271 #Exoplanets #PlanetaryScience

Two-panel schematic comparing how a protoplanetary disc evolves around a very low mass star and around a heavier one. The top panel, labelled 0.1 solar masses, follows a disc fed briefly by material falling in from the collapsing cloud: the disc expands, dust coagulates into icy pebbles, the pebbles drift inward and deliver their ice to the water snowline where a single generation of planetesimals forms, and the dust is then depleted, leaving grey dehydrated planetesimals. The bottom panel, labelled 0.3 solar masses and above, shows the same sequence but with a first generation of planetesimals already forming during the infall phase and a second generation later at the snowline, leaving a mix of blue water-rich and grey dehydrated bodies. A colour key marks rocky pebbles, the water sublimation front, water ice, dehydrated planetesimals and water-rich planetesimals, and an arrow along the bottom marks time running left to right.

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Joanna Drążkowska @astrojoanna.bsky.social · 22/07/2026

Our latest paper has been accepted for publication! 🎉 We demonstrated that a single late infall event perturbing the outer disk can trigger the formation of multiple giant planets and ringed disk structures resembling those observed around young stars. Paper: arxiv.org/abs/2607.18370

Figure from the paper with two rows and four columns. The upper row shows the results of the dust evolution and planet formation model. The bottom row shows synthetic observations of these snapshots. The model starts with single dust ring caused by late infall at around 80 au. In the next snapshot at 0.75 Myr, one giant planet formed and split the initial ring in two. At 1.05 Myr the planet has migrated inward, and a new planet emerged around the location of the original ring. This evolution continues, and at 1.7 Myr we have 3 giant planets at around 16 au, 23 au, and 40 au, and 3 dust rings, each located just inside of a planet.

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Joanna Drążkowska @astrojoanna.bsky.social · 18/02/2026

Are you interested in protoplanetary disk substructures and their role in planet formation? Come to our session at the EAS meeting this year! Abstract submission is open until March 2nd! More info: eas.unige.ch/EAS_meeting/...

eas.unige.ch

EAS 2026

European Astronomical Society Annual Meeting 2026

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Dr. Raphael Marschall @spacemarschall.net · 21/01/2026

Are you looking for a postdoc position working on asteroids and comets? Would it help if it's in a beautiful place in southern France? If yes, then consider applying to the following position of my colleague Benoit Carry at the Observatory in Nice: euraxess.ec.europa.eu/jobs/402212 #planetSci

euraxess.ec.europa.eu

Post-doc on properties of Solar system small bodies

The small bodies of our Solar system (comets and asteroids) are the remnants of the building blocs that accreted to form the planets. The suite of events that occurred during planet formation left pri...

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Joanna Drążkowska @astrojoanna.bsky.social · 30/07/2025

Almost 14 years ago, I started developing a Monte Carlo code for dust evolution in protoplanetary disks. The code is now publicly available! 🚀 This was possible thanks to the hard work of @turbulenthuman.bsky.social ‪and @nereagurru.bsky.social‬ 🙌

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Joanna Drążkowska @astrojoanna.bsky.social · 02/05/2025

Take a look to learn more about the prospects of forming close-in exoplanets in-situ by pebble accretion!

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Reposted by Joanna Drążkowska

⭐ ᗰᗩᖇᛕ ᗩ. ǤᗩᖇᒪIᑕᛕ ⭐ @markgarlick.com · 12/03/2025

Here's a selection of illustrations I've created for science press releases over the years. Please repost for me! And if you need to commission this kind of work, check my background. I'm your man. #SciArt #spaceart

Illustration of the planet-building process of accretion.

Illustration of a pair of quasars merging. For NOIRLabs, Tucson

Disintegrating planet. For a press release for Harvard Centre for Astrophysics

Illustration showing a galaxy as a giant whirlpool in space, and the galaxy's effect on that space.

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Reposted by Joanna Drążkowska

Beatriz Campos Estrada, PhD @exobeatriz.bsky.social · 05/12/2024

The Max Planck Institute for Astronomy Summer Internships are open for applications! This is an opportunity for bachelor and masters students 🤩 If you are interested in doing some exoplanets research, contact me! More info: www.mpia.de/en/careers/i... 🔭🪐⭐🧪👩‍🔬

mpia.de

Summer internships

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Joanna Drążkowska @astrojoanna.bsky.social · 19/11/2024

Most of the planet formation models assume a Solar-type central star. But exoplanets form around stars of various masses and compositions. Do you want to work on exoplanet formation models? Apply now to join our group as a postdoctoral researcher next year!

karriere.mps.mpg.de

Postdoctoral Position (f/m/d) in Exoplanets Formation

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Joanna Drążkowska @astrojoanna.bsky.social · 19/11/2024

What are the meteorites actually telling us about the Solar System formation? Are the meteorite parent bodies really left-over planetesimals? 🤔 If you would like to investigate this, apply to work with me as a Postdoctoral Researcher in Solar System Formation! The deadline is January 15th, 2025.

karriere.mps.mpg.de

Postdoctoral Position (f/m/d) in Solar System formation

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Tim Lichtenberg @timlichtenberg.bsky.social · 24/10/2024

At the Kapteyn Astronomical Institute of the University of Groningen we are looking for 2 PhD students in the fields of exoplanets and planetary science, see: aas.org/jobregister/... www.rug.nl/research/kap... Please share these positions with potentially interested students and your network. 🙂

aas.org

PhD positions at the Kapteyn Astronomical Institute, University of Groningen, The Netherlands | American Astronomical Society

The Kapteyn Astronomical Institute of the University of Groningen, in the Netherlands, invites applications for at least 5 PhD positions in the areas of exoplanet astronomy and galaxy formation: Two p...

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Reposted by Joanna Drążkowska

Randall Munroe @xkcd.com · 28/08/2024

Stranded xkcd.com/2978

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Joanna Drążkowska @astrojoanna.bsky.social · 20/06/2024

This may be the most important paper in the planet formation field in recent years - showing how to go from dust to a chain of massive planets 🟤🪐🔵🔵 If you are at #Exoplanets5 you can talk to the first author, Tommy Lau 😉 arxiv.org/abs/2406.12340 With @birnstiel.bsky.social @stammler.bsky.social

arxiv.org

Sequential giant planet formation initiated by disc substructure

Planet formation models are necessary to understand the origins of diverse planetary systems. Circumstellar disc substructures have been proposed as preferred locations of planet formation but a...

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Dr. Raphael Marschall @spacemarschall.net · 16/04/2024

Are you thinking of going to EPSC this year? It's in Berlin and will surely be a blast. I'm organising session EXOA12 with @astrojoanna.bsky.social and others on "Protoplanetary disks and planetesimal formation". Abstract deadline: May 15. bit.ly/EPSC2024-EXO...

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Joanna Drążkowska @astrojoanna.bsky.social · 08/04/2024

My institute is looking for a (female) director www.mps.mpg.de/director-nom...

mps.mpg.de

Call for nominations for the position of Director

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Reposted by Joanna Drążkowska

Kamber Schwarz @theschwarz.bsky.social · 29/03/2024

Are you a PhD astronomer working outside academia? I want to hear about your job! 🔭🧪

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Joanna Drążkowska @astrojoanna.bsky.social · 08/03/2024

On #InternationalWomensDay, here's a quick reminder how to retain more women in academia: - educate yourself on unconscious biases, - provide a safe work environment with no everyday sexism, - include us in decision making, - don't force us into service work that no one wants to do. #IWD2024

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Joanna Drążkowska @astrojoanna.bsky.social · 12/02/2024

Submit your abstracts and travel grant requests for the European Astronomical Society Annual Meeting 2024 in Padova until March 4! I hope to see many of you there!

eas.unige.ch

EAS 2024

European Astronomical Society Annual Meeting 2024

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Joanna Drążkowska @astrojoanna.bsky.social · 11/01/2024

📢 Another great opportunity to do research in planet formation: Sebastiaan Krijt is looking for a postdoc to join his group at the University of Exeter👇

jobregister.aas.org

Postdoctoral Researcher in Protoplanetary Discs | AAS Job Register

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Joanna Drążkowska @astrojoanna.bsky.social · 05/01/2024

📢 Job alert: PhD and postdoc positions in planet formation 🪐 My former boss @birnstiel.bsky.social just unleashed new openings in his group, and trust me when I say, working with him is like winning the job lottery!

jobregister.aas.org

Postdoc positions in planet formation at LMU Munich (up to 5 years) | AAS Job Register

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Joanna Drążkowska @astrojoanna.bsky.social · 05/10/2023

Number of times I clicked on this app hoping it was the weather forecast: 1️⃣0️⃣

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Emily Hunt @emily.space · 02/10/2023

Astronomers of Bluesky! 🔭 I'm going to start distributing invite codes to astronomers again. Want to help out? Donate your invite codes here! forms.gle/sVi27swqamJK...

forms.gle

Astronomy Bluesky invite code donation

Donate your codes to astronomers in need! I'll try and match them up to astronomers who request them.

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