Helvede

5 posts4 participants2 posts today

The Nexus of PrivacyHere's a few specific questions I have ... very interested in hearing people's thoughts! If you'd prefer to respond anonymously, <a href="https://cryptpad.fr/form/#/2/form/view/d9Ag8SlOHFrBLdVG9+M00bAilHuQLjqQL27OdmuVD-s/" rel="nofollow noopener noreferrer" target="_blank">here's a CryptPad form</a> (it takes a few seconds to load, so don't panic; and it's kind of long, but all the questions are optional).<ul><li>What examples have you seen of successfully leveraging social networks for organizing and mutual aid? (It's fine to include examples from centralized commercial social networks as well as alternative and/or decentralized social networks) </li><li>How could social networks better support organizing and mutual aid?</li><li>What do you see as the most promising and/or urgent short-term opportunities?</li><li>Are there relevant studies, articles, papers, books, videos, and/or podcasts?</li></ul>And if you'd like to get involved, you can leave your contact info in the form and we'll follow up with you once there are some concrete next steps in place. (Although you're also welcome to fill out the form anonymously!)<a href="https://infosec.exchange/tags/organizing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#organizing</a> <a href="https://infosec.exchange/tags/fediverse" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#fediverse</a> <a href="https://infosec.exchange/tags/ATmosphere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ATmosphere</a>

The Nexus of PrivacyMore notes on Organizing, Mutual Aid, and Activism on decentralized social networks <a href="https://privacy.thenexus.today/more-notes-on-organizing/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://privacy.thenexus.today/more-notes-on-organizing/</a> This was originally going to be a <a href="https://infosec.exchange/tags/FediForum" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#FediForum</a> session ... oh well. But why let the FediForum organizers' screwups sabotage a worthwhile conversation? We decided to go ahead with the discussion anyhow. Here's the notes.Feedback welcome! There are some specific questions in the reply, or here's <a href="https://cryptpad.fr/form/#/2/form/view/d9Ag8SlOHFrBLdVG9+M00bAilHuQLjqQL27OdmuVD-s/" rel="nofollow noopener noreferrer" target="_blank">a CryptPad form</a> if you'd rather give feedback anonymously, but I'm also interested in reactions to topics we discussed in the meeting -- and thoughts in general!<a href="https://infosec.exchange/tags/organizing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#organizing</a> <a href="https://infosec.exchange/tags/fediverse" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#fediverse</a> <a href="https://infosec.exchange/tags/ATmosphere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ATmosphere</a>

Space EnvironmentalismNew research on effects of reentries of 1000's of satellites on the Earth's <a href="https://mastodon.social/tags/atmosphere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#atmosphere</a>: "We find that depending on reentry latitude and aerosol size distribution, a 20–40-Gg stratospheric burden of Al2O3 aerosols accumulates poleward of 30 N/S between 10 and 30 km. Small but statistically significant changes in mesospheric heating rates lead to 1.5 K-temperature anomalies in the mesosphere and the stratosphere at Southern Hemisphere high latitudes."<a href="https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2024JD042442" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2024JD042442</a><a href="https://mastodon.social/tags/SpaceEnvironment" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SpaceEnvironment</a>

Jennifer Lynn BartlettJoanne Simpson (1923-2010) 1st woman in the U.S. to earn a <a href="https://astrodon.social/tags/meteorology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#meteorology</a> PhD <a href="https://astrodon.social/tags/pilot" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#pilot</a> her research & models revolutionized our understanding of <a href="https://astrodon.social/tags/clouds" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#clouds</a> & <a href="https://astrodon.social/tags/hurricanes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#hurricanes</a>, helping to shape modern <a href="https://astrodon.social/tags/weather" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#weather</a> forecastingPhotograph: Dr. Joanne Simpson (1923–2010) pores over reams of images of tropical clouds filmed during flights across the tropical Pacific. courtesy Schlesinger Library<a href="https://astrodon.social/tags/WomensHistoryMonth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#WomensHistoryMonth</a> <a href="https://astrodon.social/tags/HistSci" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HistSci</a> <a href="https://astrodon.social/tags/WomeninSTEM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#WomeninSTEM</a> <a href="https://astrodon.social/tags/atmosphere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#atmosphere</a>

Mikko TuomiThe common mini-Neptunes typically form with a <a href="https://scicomm.xyz/tags/hydrogen" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#hydrogen</a> <a href="https://scicomm.xyz/tags/atmosphere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#atmosphere</a>, resulting in conditions where <a href="https://scicomm.xyz/tags/hydrogen" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#hydrogen</a> and the <a href="https://scicomm.xyz/tags/planet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#planet</a>’s molten interior interact for millions to billions of years.But the temperatures and pressures involved are so extreme that laboratory experiments to study them are nearly impossible. Water and hydrogen would begin to separate deep within the atmosphere leading to rainfall deep inside the planet’s atmosphere as heavier water sinks.<a href="https://astrobiology.com/2025/03/atmospheres-of-new-planets-might-have-unexpected-mixtures-of-hydrogen-and-water.html" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://astrobiology.com/2025/03/atmospheres-of-new-planets-might-have-unexpected-mixtures-of-hydrogen-and-water.html</a>

Benjamin Carr, Ph.D. 👨🏻‍💻🧬3D map of <a href="https://hachyderm.io/tags/exoplanet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#exoplanet</a> <a href="https://hachyderm.io/tags/atmosphere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#atmosphere</a> shows wacky climate <a href="https://hachyderm.io/tags/Astronomers" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Astronomers</a> have mapped the 3D structure of the layered atmosphere of one such ultra-hot <a href="https://hachyderm.io/tags/Jupiter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Jupiter</a>-size exoplanet, revealing powerful winds that create intricate <a href="https://hachyderm.io/tags/weather" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#weather</a> patterns across that atmosphere. "This planet’s atmosphere behaves in ways that challenge our understanding of how weather works." <a href="https://hachyderm.io/tags/Astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Astronomy</a> and <a href="https://hachyderm.io/tags/Astrophysics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Astrophysics</a> reported on unexpected identification of <a href="https://hachyderm.io/tags/titanium" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#titanium</a> in the exoplanet's atmosphere as well. <a href="https://arstechnica.com/science/2025/02/3d-map-of-exoplanet-atmosphere-shows-wacky-climate/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://arstechnica.com/science/2025/02/3d-map-of-exoplanet-atmosphere-shows-wacky-climate/</a>

Mikko TuomiThe upcoming extremely large telescopes will provide the first opportunity to search for signs of <a href="https://scicomm.xyz/tags/habitability" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#habitability</a> and <a href="https://scicomm.xyz/tags/life" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#life</a> on non-transiting <a href="https://scicomm.xyz/tags/terrestrial" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#terrestrial</a> <a href="https://scicomm.xyz/tags/exoplanets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#exoplanets</a>.For the most accessible nearby target, <a href="https://scicomm.xyz/tags/Proxima" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Proxima</a> Centauri b, we may be able to rule out a sub-Neptune <a href="https://scicomm.xyz/tags/atmosphere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#atmosphere</a> in as little as a single hour of observing, and some <a href="https://scicomm.xyz/tags/biosignature" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#biosignature</a> disequilibrium pairs may be accessible in 10 hours.<a href="https://scicomm.xyz/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#astronomy</a> <a href="https://scicomm.xyz/tags/astrobiology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#astrobiology</a> <a href="https://arxiv.org/abs/2503.08592" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://arxiv.org/abs/2503.08592</a>

okie in fenoki<a href="https://fosstodon.org/@bert_hubert" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@bert_hubert</a> Thank you for this link. I am hopeful that our nws is not disabled by the new regime. But having the ECMWF available may make hurricane season especially a little less frightening here on the red peninsula.<a href="https://mastodon.sdf.org/tags/nws" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#nws</a> <a href="https://mastodon.sdf.org/tags/noaa" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#noaa</a> <a href="https://mastodon.sdf.org/tags/atmosphere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#atmosphere</a> <a href="https://mastodon.sdf.org/tags/weather" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#weather</a>

Paul GiulanCountries that have emitted the most <a href="https://federate.social/tags/CO2" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CO2</a> <a href="https://federate.social/tags/emissions" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#emissions</a> since 1750<a href="https://federate.social/tags/UnitedStates" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#UnitedStates</a> <a href="https://federate.social/tags/America" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#America</a> <a href="https://federate.social/tags/US" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#US</a> <a href="https://federate.social/tags/USA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#USA</a> <a href="https://federate.social/tags/China" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#China</a> <a href="https://federate.social/tags/CN" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CN</a> <a href="https://federate.social/tags/Russia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Russia</a> <a href="https://federate.social/tags/RU" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#RU</a> <a href="https://federate.social/tags/Germany" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Germany</a> <a href="https://federate.social/tags/DE" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DE</a> <a href="https://federate.social/tags/UnitedKingdom" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#UnitedKingdom</a> <a href="https://federate.social/tags/UK" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#UK</a> <a href="https://federate.social/tags/GreatBritain" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#GreatBritain</a> <a href="https://federate.social/tags/GB" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#GB</a> <a href="https://federate.social/tags/Japan" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Japan</a> <a href="https://federate.social/tags/JP" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#JP</a> <a href="https://federate.social/tags/India" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#India</a> <a href="https://federate.social/tags/IN" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#IN</a> <a href="https://federate.social/tags/France" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#France</a> <a href="https://federate.social/tags/FR" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#FR</a> <a href="https://federate.social/tags/Canada" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Canada</a> <a href="https://federate.social/tags/CA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CA</a> <a href="https://federate.social/tags/Ukraine" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Ukraine</a> <a href="https://federate.social/tags/UA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#UA</a> <a href="https://federate.social/tags/ClimateCrisis" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ClimateCrisis</a> <a href="https://federate.social/tags/GlobalWarming" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#GlobalWarming</a> <a href="https://federate.social/tags/ClimateChange" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ClimateChange</a> <a href="https://federate.social/tags/GreenhouseGases" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#GreenhouseGases</a> <a href="https://federate.social/tags/FossilFuels" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#FossilFuels</a> <a href="https://federate.social/tags/industry" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#industry</a> <a href="https://federate.social/tags/industrial" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#industrial</a> <a href="https://federate.social/tags/sustainability" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#sustainability</a> <a href="https://federate.social/tags/atmosphere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#atmosphere</a> <a href="https://federate.social/tags/graphic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#graphic</a> <a href="https://federate.social/tags/data" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#data</a> <a href="https://federate.social/tags/visualization" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#visualization</a> <a href="https://federate.social/tags/DataViz" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DataViz</a>

earthlingAtmosphere, Weather, and Climate 9e by Roger Graham Barry & Richard J. Chorley This book presents a comprehensive introduction to weather processes and climatic conditions around the world, their observed variability and changes, and projected future trends. Extensively revised and updated, this ninth edition retains its tried and tested structure while incorporating recent advances in the field. <a href="https://a.gup.pe/u/bookstodon" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@bookstodon</a> <a href="https://mastodon.social/tags/books" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#books</a> <a href="https://mastodon.social/tags/nonfiction" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#nonfiction</a> <a href="https://mastodon.social/tags/atmosphere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#atmosphere</a> <a href="https://mastodon.social/tags/weather" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#weather</a> <a href="https://mastodon.social/tags/climate" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#climate</a>

The Nexus of Privacy<a href="https://thenexusofprivacy.net/notes-on-organizing-in-the-fediverses/" rel="nofollow noopener noreferrer" target="_blank">Notes (and thoughts) on organizing in the fediverses and the ATmosphere</a> is a deep dive on the landscape today, based on multiple discussions with US-based organizers. There's certainly room for progress!<a href="https://infosec.exchange/tags/organizing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#organizing</a> <a href="https://infosec.exchange/tags/fediverses" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#fediverses</a> <a href="https://infosec.exchange/tags/ATmosphere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ATmosphere</a>

The Nexus of PrivacyHow to make progress? Here's some of the questions I have ... very interested in hearing people's thoughts! If you'd prefer to respond anonymously, <a href="https://cryptpad.fr/form/#/2/form/view/d9Ag8SlOHFrBLdVG9+M00bAilHuQLjqQL27OdmuVD-s/" rel="nofollow noopener noreferrer" target="_blank">here's a CryptPad form</a> (it takes a few seconds to load, so don't panic).<ul><li>What examples have you seen of successfully leveraging social networks for organizing and mutual aid? (It's fine to include examples from centralized commercial social networks as well as alternative and/or decentralized social networks) </li><li>How could social networks better support organizing and mutual aid?</li><li>What do you see as the most promising and/or urgent short-term opportunities?</li></ul><a href="https://infosec.exchange/tags/organizing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#organizing</a> <a href="https://infosec.exchange/tags/fedviverse" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#fedviverse</a> <a href="https://infosec.exchange/tags/ATmosphere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ATmosphere</a>

The Nexus of PrivacyEasier said then done, but the opportunity is there. As Afsaneh Rigot says in <a href="https://substack.com/@thedecenter/p-155550585" rel="nofollow noopener noreferrer" target="_blank">Can We Build Tech That Is Not Oppressive?</a><blockquote>"The details of how highly marginalized communities are criminalized are the key to how we can build robust and even scalable tech that is not oppressive. This is how Design From the Margins truly works....The experience of the most criminalized in the US and globally shows how power really works. This knowledge, the workarounds, can also be translated into stealthy tech design, build, and engineering choices that help navigate systems."</blockquote><a href="https://infosec.exchange/tags/organizing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#organizing</a> <a href="https://infosec.exchange/tags/fediverse" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#fediverse</a> <a href="https://infosec.exchange/tags/ATmosphere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ATmosphere</a>

The Nexus of PrivacyWe need to accelerate work on a few things at once:<ul><li>Find ways to leverage and improve the current prototypes for mutual aid, organizing, and counter propaganda, hate, and information overload </li><li>Help people move from corporate social networks - without losing their support networks, ties to communities, and connections with friends and family. </li><li>Build whatever comes next. Structurally, and in terms of applications, what will decentralized social networks, designed from the margins using design justice principles look like? </li></ul><a href="https://privacy.thenexus.today/if-not-now-when/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://privacy.thenexus.today/if-not-now-when/</a><a href="https://infosec.exchange/tags/organizing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#organizing</a> <a href="https://infosec.exchange/tags/fediverse" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#fediverse</a> <a href="https://infosec.exchange/tags/ATmosphere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ATmosphere</a>

The Nexus of Privacyif not now, when? Mutual aid and organizing in the fediverses and the ATmosphere<a href="https://privacy.thenexus.today/if-not-now-when/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://privacy.thenexus.today/if-not-now-when/</a>Mutual aid. Organizing. Sharing, contextualizing, and making meaning of news and health information to counter propaganda and information overload. The use cases for alternative social networks – not controlled by techbro white supremacist CEO's working with their cronies in authoritarian governments – practically write themselves in today's world. And with so many talented social scientists, designers, systems thinkers, and developers directly impacted by DOGE, MAGA, et al, there are a lot of people with the right skills for these new networks to make rapid progress.The good news is there's a lot of promising work happening in the decentralized social media ecosystems known as the fediverses ("federated universes") and the ATmosphere (a fediverse built on Bluesky's AT protocol), including DAIR-tube, Blacksky, the <a href="https://infosec.exchange/tags/FreeFediverse" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#FreeFediverse</a>, and more.Still, as promising as these efforts are, there's still a long ways to go.<a href="https://infosec.exchange/tags/organizing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#organizing</a> <a href="https://infosec.exchange/tags/fediverse" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#fediverse</a> <a href="https://infosec.exchange/tags/atmosphere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#atmosphere</a> <a href="https://infosec.exchange/tags/bluesky" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#bluesky</a> <a href="https://infosec.exchange/tags/blacksky" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#blacksky</a>

Mikko TuomiSaturn’s largest moon, <a href="https://scicomm.xyz/tags/Titan" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Titan</a>, is particularly captivating for scientists.It is known to host an <a href="https://scicomm.xyz/tags/atmosphere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#atmosphere</a> about 1.5 times denser than Earth’s and bodies of liquid on its surface.But even such a large <a href="https://scicomm.xyz/tags/moon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#moon</a> lacks the mass to keep a tight hold on its atmosphere.Now, new experimental research shows that the chemical compounds in Titan’s atmosphere could emerge from processes in its interior.<a href="https://scicomm.xyz/tags/Cryovolcanism" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Cryovolcanism</a> replenishes its thick atmosphere.<a href="https://scicomm.xyz/tags/planets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#planets</a> <a href="https://scicomm.xyz/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#astronomy</a> <a href="https://www.astronomy.com/science/cryovolcanism-on-titan-may-replenish-its-thick-atmosphere/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.astronomy.com/science/cryovolcanism-on-titan-may-replenish-its-thick-atmosphere/</a>

IRAP[Focus on the <a href="https://astrodon.social/tags/EnVision" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#EnVision</a> mission] Why have <a href="https://astrodon.social/tags/Venus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Venus</a> and Earth evolved so differently? This is the question to be answered by the EnVision <a href="https://astrodon.social/tags/SpaceMission" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SpaceMission</a> of the European Space Agency - ESA, scheduled for launch in 2031. To this end, the European <a href="https://astrodon.social/tags/probe" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#probe</a> will carry several instruments - including an imaging <a href="https://astrodon.social/tags/spectrometer" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#spectrometer</a>, to which IRAP staff are contributing. Observations will be made in the UV and IR domains, in order to monitor temporal variations in <a href="https://astrodon.social/tags/surface" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#surface</a> temperature and gas concentrations within the <a href="https://astrodon.social/tags/atmosphere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#atmosphere</a> - and thus gain a better understanding of interactions between the Venusian atmosphere and surface. Info+: <a href="https://www.irap.omp.eu/event/the-envision-venus-mission/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.irap.omp.eu/event/the-envision-venus-mission/</a><a href="https://astrodon.social/tags/astrophysics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#astrophysics</a> <a href="https://astrodon.social/tags/planetology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#planetology</a> <a href="https://astrodon.social/tags/spacemission" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#spacemission</a>

Mikko TuomiA major motor for the global <a href="https://scicomm.xyz/tags/climate" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#climate</a> is beginning to falter: a massive system of <a href="https://scicomm.xyz/tags/ocean" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ocean</a> currents called the Atlantic Meridional Overturning Circulation (<a href="https://scicomm.xyz/tags/AMOC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AMOC</a>).A weaker AMOC could produce long-term costs amounting to several trillion euros by the year 2100.Weakening AMOC would further accelerate climate change because less CO₂ is transported from the surface ocean to the deep ocean. More CO₂ remains in the <a href="https://scicomm.xyz/tags/atmosphere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#atmosphere</a>, which accelerates global warming.<a href="https://phys.org/news/2025-02-term-global-weaker-ocean-circulation.html" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://phys.org/news/2025-02-term-global-weaker-ocean-circulation.html</a>

Mikko TuomiAstronomers have peered through the <a href="https://scicomm.xyz/tags/atmosphere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#atmosphere</a> of an <a href="https://scicomm.xyz/tags/exoplanet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#exoplanet</a>, mapping its 3D structure for the first time.WASP-121 b has powerful winds carrying chemical elements like iron and titanium, creating intricate weather patterns across the <a href="https://scicomm.xyz/tags/planet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#planet</a>’s atmosphere.The discovery opens the door for detailed studies of the chemical makeup and weather of other alien worlds.<a href="https://scicomm.xyz/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#astronomy</a> <a href="https://scicomm.xyz/tags/exoplanets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#exoplanets</a> <a href="https://www.eso.org/public/news/eso2504/" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.eso.org/public/news/eso2504/</a>

Morgan CarmontFleeting conditions in between squalls often give you little time to react. I was lying in my tent patiently waiting for the light to change. Suddenly, I hear my friend yelling "Morgan! You gotta get out here!" - I quickly got on my feet and practically waltzed over to this composition I found earlier and captured this rainbow in front of Mount Macdonald.'Rise to Action' (2023)<a href="https://mastodon.social/tags/LandscapePhotography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#LandscapePhotography</a> <a href="https://mastodon.social/tags/Canada" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Canada</a> <a href="https://mastodon.social/tags/BC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#BC</a> <a href="https://mastodon.social/tags/Photography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Photography</a> <a href="https://mastodon.social/tags/BritishColumbia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#BritishColumbia</a> <a href="https://mastodon.social/tags/Mountains" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Mountains</a> <a href="https://mastodon.social/tags/Mountain" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Mountain</a> <a href="https://mastodon.social/tags/Atmosphere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Atmosphere</a> <a href="https://mastodon.social/tags/NaturePhotography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NaturePhotography</a>

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