Reposted by Jonas SuniHerbert Gunell @herbertgunell.se · 04/09/2026Eva Krämer, PhD student at @umeauniversitet.bsky.social, nailed her thesis to the wall at the university library today. It is a tradition that each PhD student must do that 3 weeks before their thesis defence. The thesis is also found here: urn.kb.se/resolve?urn=... 021
Reposted by Jonas SuniRose Atkinson @solarwindstream.bsky.social · 13/08/2026Exiting totality in Tarragona. It was majestic <3 #eclipse 011
Reposted by Jonas SuniDr Cara Waters @caralwaters.bsky.social · 03/08/2026Long time no update — I wrote a paper in my postdoc! Turbulence saves you money (through space weather forecasting)! doi.org/10.1029/2026...doi.orgBeyond Mean Solar Wind Conditions: Turbulence‐Aware Forecasting of the AE IndexIncluding solar wind turbulence parameters improves short-term forecasts of auroral electrojet index compared to models using average conditions alone Improved forecasts reduce false alarms and b... 042
Jonas Suni @jonassuni.bsky.social · 30/07/2026There are still people who appreciate hand-crafted schematics and diagrams! I personally really enjoy the process, and I wish I got to do it more often. 110
Reposted by Jonas SuniNature Portfolio @natureportfolio.nature.com · 15/06/2026NASA’s Juno observations show relativistic electron acceleration at the bow shock of Jupiter and establish a universal scaling law linking shock size to maximum cosmic ray energy, according to a paper in Nature. go.nature.com/49ArfuL 🔭🧪 12911
Reposted by Jonas SuniSavvas Raptis @savvasraptis.bsky.social · 03/06/2026New in @nature.com : Using #NASA 's Juno and JEDI instrument from @jhuapl.bsky.social we show Jupiter's foreshock accelerates electrons to near light speed. Using our solar system observations, we built a scaling law from planetary shocks to supernova remnants. www.nature.com/articles/s41...nature.comRelativistic electron acceleration at the bow shock of Jupiter and beyond - NatureNASA’s Juno observations show relativistic electron acceleration at the bow shock of Jupiter and establish a universal scaling law linking shock size to maximum cosmic ray energy. 021
Reposted by Jonas SuniNASA | ESA Space Updates @nasaupdates.bsky.social · 20/05/2026🚀 Smile has launched! This joint mission between ESA and the Chinese Academy of Sciences is on a quest to reveal how Earth’s magnetic shield protects us from the Sun’s relentless solar wind. A major milestone in understanding space weather! #SmileMission #SpaceScience #ESA 1/4 2439
Reposted by Jonas SuniSavvas Raptis @savvasraptis.bsky.social · 19/05/2026I support Wikipedia, where information is still human-created, fact-checked, and 100% free. Join me! donate.wikimedia.orgdonate.wikimedia.orgMake your donation now - Wikimedia FoundationDonate to the Wikimedia Foundation, the nonprofit that hosts Wikipedia and other crucial free knowledge projects. Each year, the generosity of the 2% of readers who donate allows us to expand the reac... 021
Reposted by Jonas SuniESA Space Science @science.esa.int · 23/04/2026Mark your calendars 🗓️ The Smile mission is due to launch on Tuesday 19 May 2026, at 04:52 BST / 05:52 CEST on a European Vega-C rocket. That's going to require a lot of coffee ☕🥱 Stay tuned 👉 www.esa.int/Science_Expl... 🔭🧪☀️ 119234
Reposted by Jonas SuniAGQ- Queer Affinity Group of the AGU @queeragu.bsky.social · 31/03/2026🏳️⚧️ Today we highlight and celebrate Transgender Day of Visibility. Trans people are everywhere and continue to face discrimination for living their truth. We stand with our trans community members and won't stop fighting for their acceptance and inclusion! #TDOV @agu.org 🏳️⚧️🏳️🌈 0113
Reposted by Jonas SuniESA Space Science @science.esa.int · 20/02/2026🚢 Inspector Smile has begun a two-week voyage across the Atlantic, heading for Europe’s Spaceport in French Guiana. In the early hours of 11 February, Smile left ESA’s technical heart by truck for the Port of Amsterdam, where it was loaded onto the cargo ship MN Colibri. 🔭 🧪 210515
Jonas Suni @jonassuni.bsky.social · 17/01/2026Ooh, that sounds like a nice idea! I guess you'd want to come up with a weekly or monthly index (average sunspot number?) in that case, though, otherwise it will be /a lot/ of work 😅 010
Reposted by Jonas SuniAustrian Space Weather Office @aswogeosphere.bsky.social · 08/01/2026After the holidays 🎄🎅🎆 its time to submit abstracts to the @egu.eu General Assembly 3-8 May 2026 in Vienna! 👇Our team at the Austrian Space Weather Office convenes 4 sessions - from solar storm ☀️💨 evolution and forecasting, to research to operations (R2O) efforts and machine learning 🤖techniques. 142
Jonas Suni @jonassuni.bsky.social · 03/01/2026It kind of feels similar to a PhD thesis in that right now I never want to see it again, but someday I'm sure I'll be proud of it 020
Jonas Suni @jonassuni.bsky.social · 03/01/2026Ends still need to be woven in, but that's the 2025 daily maximum Kp-index blanket done 250
Jonas Suni @jonassuni.bsky.social · 22/11/2025Well I successfully defended my PhD, and then successfully survived the after-party 270
Jonas Suni @jonassuni.bsky.social · 19/11/2025Defending my PhD this Friday. Looking forward to it but also greatly looking forward to it being over 😅 180
Reposted by Jonas SuniPython Software Foundation @python.org · 27/10/2025TLDR; The PSF has made the decision to put our community and our shared diversity, equity, and inclusion values ahead of seeking $1.5M in new revenue. Please read and share. pyfound.blogspot.com/2025/10/NSF-... 🧵python.orgThe official home of the Python Programming Language 12363772727
Reposted by Jonas SuniDr. Adeene Denton @spacewhalerider.com · 21/09/2025Look at how round this bird is!!! Bird of the year!! 818351
Reposted by Jonas SuniAndré Brett @drdrehistorian.bsky.social · 14/09/2025Bird of the Year voting opens tomorrow, and it is an outrage the takahē is yet to win. I'd like to take this opportunity to urge you to vote for the hide-and-seek legend from Fiordland, the roundest birb, and the one true pick for all you railfans out there 415942
Reposted by Jonas SuniRandall Munroe @xkcd.com · 28/08/2025Wavefunction Collapse xkcd.com/3134/ 423566536
Reposted by Jonas SuniJan Gieseler @jangieseler.bsky.social · 28/08/2025Come join us @utu.fi for a Postdoc to investigate solar energetic particles using AI! ☀️ #heliophysics #spaceweather ats.talentadore.com/apply/avaruu...ats.talentadore.comPostdoctoral Researcher of Data Analytics in Space PhysicsThe Department of Computing and the Department of Physics and Astronomy at the University of Turku are looking for a postdoctoral researcher of data analytics in space physics. The selected person wil... 011
Jonas Suni @jonassuni.bsky.social · 12/08/2025My PhD thesis has now been submitted for pre-examination 🎉 Which means that it's time for me to take some time off 🌴 000
Reposted by Jonas SuniMathew Owens @mathewjowens.bsky.social · 22/07/2025Just heard from @tmelnik.bsky.social that DSCOVR is offline. Recovery attempts have not been successful. It's going to be a significant, if not permanent, outage. forecast.weather.gov/product.php?... #heliophysicsforecast.weather.govNational Weather Service 382
Reposted by Jonas SuniYvonne Lam @yvonnezlam.bsky.social · 11/07/2025TIL (on mastodon) that the US National Park Service has crochet patterns! www.nps.gov/articles/000...nps.govHalibut Crochet Pattern (U.S. National Park Service) 331233480
Reposted by Jonas SuniAGU (American Geophysical Union) @agu.org · 09/07/2025AGU is deeply disappointed in SCOTUS decision to overrule the order blocking the dismantling of fed agencies until we could make our case about the President’s unlawful actions. The harm this will cause is shocking. However, we will continue to fight for the rule of law. 13612
Reposted by Jonas Suni🏳️🌈 Tusenfem ☄️🪐 @tusenfem.bsky.social · 09/07/2025Ein sehr schoener Beitrag in BILD DER WISSENSCHAFT ueber die Entdeckung von Litium bei Merkur. www.wissenschaft.de/.../lithium-... Siehe auch: Daniel Schmid (@iwf-oeaw.bsky.social @oeaw.bsky.social) et al., Nature Communications, doi: 10.1038/s41467-025-61516-4,wissenschaft.deLithium in Merkurs Exosphäre nachgewiesenDer innerste Planet Merkur hat zwar keine echte Atmosphäre, aber eine extrem dünne Gashülle in Form einer Exosphäre. In dieser haben Planetenforscher nun mi 032
Reposted by Jonas SuniJessica Lu @jluastro.bsky.social · 20/06/2025NASA Goddard is pushing through a 48% staff reduction!!! This could impact the upcoming Roman Space Telescope and many other future Astro missions. News coverage seems not sensational enough. Are we really going to let NASA (as we know it) die quietly? www.space.com/space-explor...space.comNASA begins push to slash workforce with more staff buyouts, early retirements as budget cuts loomNASA employees have until July 25 to decide if they'll stay or go. 1010269
Reposted by Jonas SuniVincent Ledvina @vincentledvina.bsky.social · 19/06/2025Check out this recent article I was a co-author on: "Citizen Science in Space and Atmospheric Sciences: Opportunities and Challenges" link.springer.com/article/10.1... Here's a thread of the main points outlined in our paper! #heliophysicslink.springer.comCitizen Science in Space and Atmospheric Sciences: Opportunities and Challenges - Surveys in GeophysicsCitizen science (also referred to as participatory science or community science), in which members of the general public contribute to scientific research, is not a new concept, as early examples of s... 67921
Jonas Suni @jonassuni.bsky.social · 18/06/2025Today I gave a seminar on the topic of my doctoral dissertation, and with that, I have now completed all of my doctoral studies. ... Aside from the thesis. Still gotta finish writing that. And then defend it. 010
Reposted by Jonas SuniEuropean Space Agency @esa.int · 16/06/2025Breaking space news: We have made our own solar eclipse in space! 🌘 Today, we release the first images from our Proba-3 mission, which flies two spacecraft in precise formation to create artificial solar eclipses in orbit. Learn more ➡️ www.esa.int/Enabling_Sup... 7445101
Jonas Suni @jonassuni.bsky.social · 10/06/2025My latest paper, regarding magnetosheath jet formation associated with a solar wind rotational discontinuity, is now published! agupubs.onlinelibrary.wiley.com/doi/10.1029/...agupubs.onlinelibrary.wiley.comMagnetosheath Jets Associated With a Solar Wind Rotational Discontinuity in a Hybrid‐Vlasov SimulationWe conduct a 2D hybrid-Vlasov simulation of the interaction between Earth's bow shock and a solar wind rotational discontinuity Magnetosheath jets that form during the shock-discontinuity interac... 031
Reposted by Jonas SuniPaul Byrne @theplanetaryguy.com · 31/05/2025Inspired by @jtuttlekeane.bsky.social and @ohdearz.bsky.social, here's what the White House proposed budget cuts to NASA would do to the entirety of the agency's Science Mission Directorate. Bloodbath is right. 27702320
Reposted by Jonas SuniFlorian Koller @flokoller.bsky.social · 03/06/2025I'm excited to share that I was awarded the the Marie Skłodowska-Curie Postdoctoral Fellowship! Starting this October, I will work on plasma shocks in the heliosphere at QMUL. Looking forward to new endeavors! 052
Reposted by Jonas SuniAGU (American Geophysical Union) @agu.org · 08/05/2025THIS FRIDAY: Can we halt the illegal mass firings of our federal scientific workforce? We will argue in District Court this week for a temporary restraining order on the execution of Trump’s Executive Order. 1287
Jonas Suni @jonassuni.bsky.social · 07/05/2025It feels like they're trying to turn universities into degree factories. 110
Jonas Suni @jonassuni.bsky.social · 07/05/2025It's unfortunately the same here in Finland. The government is cutting research funding, while at the same time trying to increase the number of university students, and the employer union is trying to remove caps on teaching hours for university staff. 110
Reposted by Jonas SuniDr Theodosios Chatzistergos @damagedonegr.bsky.social · 06/05/2025I want to draw your attention to our Community-Driven session titled 'Refining the Sunspot Number Series: Challenges and Benefits for the Space Climate Community' at this year's hybrid European Space Weather Week meeting.☀️ The abstract deadline is 15th of May. events.spacepole.be/event/222/ab...events.spacepole.beESWW2025 - Call for Abstracts and Live Space Weather ForecastTo submit, you create an Indico account on your first visit. For this, click on 'create one here' below the log-in boxes.If you have an Indico account, you can login with this one regardless if this a... 044
Reposted by Jonas SuniChristian Möstl @chrisoutofspace.bsky.social · 06/05/2025The University of Helsinki has put this introductory course on "Sustainable Space" online, covering topics such as #spacedebris, #spaceweather, #solarwind, magnetosphere, and ionosphere, atmosphere, as well as basics of satellites, orbits, and launchers. courses.mooc.fi/org/uh-physi... 0228
Jonas Suni @jonassuni.bsky.social · 04/05/2025Yes please, the resolution of the image is not quite high enough to actually read it 😅 010
Reposted by Jonas SuniChristian Möstl @chrisoutofspace.bsky.social · 01/05/2025At #EGU2025 I talked today about our catalogs for #solastorm observations and how they are used for enhancing #spaceweather forecasting. Plus gave a quick outlook of how data of the new PUNCH @punch-mission.bsky.social mission can be used in connection with many other spacecraft in the heliosphere! 0163
Reposted by Jonas SuniSavvas Raptis @savvasraptis.bsky.social · 01/05/2025Our collisionless shocks session at #EGU25 drew a great crowd, sparked insightful discussions and set the stage for new #heliophysics collaborations. Thanks to everyone that attended! 0114