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Duncan K Galloway

@duncankgalloway.bsky.social
905 followers 416 following 288 posts

Astrophysicist, educator, cyclist, science communicator. Living through a climate emergency (as are we all) on Boon Wurrung/Wurundjeri land/Netherlands. He/him. outs1der.github.io ORCID: 0000-0002-6558-5121

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Reposted by Duncan K Galloway
CosmicRami 🏳️‍🌈🏳️‍⚧️ @rami.spaceaustralia.com · 18h
This is an excellent video that was *made in 1958* that covers these early days of the emergence of #RadioAstronomy in Australia. Highly recommend this -- it's like a time capsule of what they knew of the radio sky back then (juxtaposed against what we know today). it's very good!
youtube.com
Radio astronomy in Australia (1958)
YouTube video by CSIRO
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NOS @nieuws.nos.nl · 6h
Met puttrapje en lagere stoeprand willen gemeenten de paddensterfte terugdringen
nos.nl
Met puttrapje en lagere stoeprand willen gemeenten de paddensterfte terugdringen
In Nederland is het aantal padden de afgelopen 18 jaar met ruim 40 procent afgenomen.
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Dr Space Junk (Alice Gorman) @drspacejunk.bsky.social · 8h
Observing Cornell reactions on FB and X. Men need to be out there battling against the vile misogyny running rampant across the Internet. Taking on your fellow men, I don't care if you think they're trolls and bots. For god's sake don't leave it up to women AGAIN to fight for humanity.
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Dr Monique Ryan @mon4kooyong.bsky.social · 16h
While Australians struggle with yet another rate rise in a seemingly endless cost-of-living crisis, our government is *still* not getting a fair return on our gas exports—while the gas giants get a $23 billion windfall www.smh.com.au/business/the...
smh.com.au
The Iran war is making Australia’s gas industry richer
Soaring LNG prices are set to reverse a forecast revenue slump, delivering an unexpected $23 billion boost to the nation’s biggest gas exporters.
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Jon @arfmeasures.bsky.social · 10/05/2023
Wife: use the newspaper to get that spider down Me *reads the news out loud* Spider *depressed* holy shit
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Hossam Aly @astrohoss.bsky.social · 02/10/2026
It was always obvious to me that Rigel, Fomalhaut, and Algol are Arabic names. Others weren't so obvious. Betelgeuse, however, made no sense. But now I know it's because someone made a typo 800 years ago Suppose it's a bit late to go back to Yadeljawza astrobites.org/2026/10/02/w...
astrobites.org
Why the Night Sky Speaks Arabic
"Betelgeuse" is an 800-year-old typo of an Arabic name. So how did so many famous star names in our night sky come from Arabic?
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Paul Byrne @theplanetaryguy.com · 02/10/2026
This will never stop blowing my mind. A 12-year sequence of real telescope images of a star 133 lightyears away. And around it, four planets slowly orbiting. Four real exoplanets, each more massive than Jupiter, imaged as they move around their host star.
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Michael Warburton @michaelwarburton.bsky.social · 02/10/2026
In Maryborough, Australia — birthplace of PL Travers — there are MARY POPPINS traffic lights.
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Taylor Smith @taylorjsmith.bsky.social · 01/10/2026
I’ve known about this for a couple of weeks, but now I can share: as of today, arXiv is rate-limiting submissions to two per month. And as a mod, I have to admit this is a necessary move (at least temporarily). blog.arxiv.org/2026/10/01/u...
blog.arxiv.org
Fair Moderation, Equitable Access, and AI: arXiv’s Updated Rate Limit Policy
arXiv, and the scientific community at large, are facing a watershed moment. Scholarly publishing is currently changing at a rapid pace, and we are seeing a…
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ARC Tracker @arc-tracker.bsky.social · 02/10/2026
ARC has given some details of how new Explore scheme will run ▶️ www.arc.gov.au/news-and-pub... ❗️There's a lottery❗️ Peer review yields 3 categories: highly competitive, competitive, uncompetitive. After funding highly competitive apps, competitive ones enter a lottery for remaining $.
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Dr Space Junk (Alice Gorman) @drspacejunk.bsky.social · 01/10/2026
Imagine what space would look like if we had different eyes, and could see above and below the visible light range.
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Tim Baxter @timinclimate.naruresearch.com.au · 02/10/2026
We're being taken for chumps. Again. I'm sure the country's so-called leaders are up to the task. What was that Donald Horne quote, again?
ieefa.org
China’s resales of Australian LNG strengthens case for prioritising domestic users
With Australia’s two largest LNG buyers – Japan and China – both reselling large volumes of Australian gas, there is a strong case for prioritising domestic users when it comes to utilising eastern Au...
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samuel mehr @mehr.nz · 02/10/2026
early-career academics, if you don't have a website, make yourself one. yes it's annoying but just do it it can be plain text on a white background, or google sites, or even a free Wix one with ads. nobody cares we just need to be able to look you up, quickly, bc there's like 100 other apps here
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Prof Anna Watts @profannawatts.bsky.social · 01/10/2026
Been doing neutrinos with my Astrophysics class, this is a very cool new result! physics.aps.org/articles/v19...
physics.aps.org
Gallium Anomaly May Finally Be Explained
A decades-old neutrino mystery might be solved not by undiscovered physics but by improved calculations.
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Ette Media @ettemedia.bsky.social · 01/10/2026
Ette Media, in partnership with mathematician and data analyst Dr Richard Bean, reviewed and analysed 42 interviews from ABC's 7.30 programme between mid-2022, when Sarah Ferguson began her stint as host, until the end of August 2026. We've made this article free to access. Read the deep dive below:
ettemedia.com
War of words: How ABC 7.30’s interview approach differs widely by conflict
An exclusive data analysis of interviews conducted on ABC’s 7.30 — and what they tell us about the broadcaster's bias.
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Astronomy Picture of the Day 🪐 @apod.shinyakato.dev · 28/09/2026
🔭 Cosmic Latte: The Average Color of the Universe Image Color Credit: Karl Glazebrook & Ivan Baldry (JHU) ap260928
A single color covers the image: that similar to a latte
cup of coffee. It is noted in text that apod.nasa.gov is moving
to science.nasa.gov/apod .
Please see the explanation for more detailed information.
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Ada Lovelace Day @adalovelaceday.bsky.social · 01/10/2026
Are you organising an event for #ALD26? Please add it to our calendar so we can share it in our newsletter, Facebook and here on Bluesky!  findingada.com/worldwide-events/c/a… And here's to all the amazing women in STEM whose work and discoveries are so worth celebrating!
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Elizabeth Tasker @elizabethtasker.bsky.social · 01/10/2026
ON THIS PALINDROMIC DAY (10.01) at 21:00 JST (12:00 UTC), the IAU 100 Hours of Astronomy kicks off with a Martian moons fest 🛰️ Hear about JAXA's exploration plans, the science of the MMX mission and the adorable Idefix rover, and a Q&A with me where I say everything I know about MMX in 10 minutes 🔭🧪
youtube.com
Mission: Mars. Unravelling the mysteries of the Solar System with MMX
YouTube video by IAU Office for Astronomy Outreach
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Jenny Shipway @jennyshipway.bsky.social · 30/09/2026
✨ ONE DAY to go! ✨ Join us for a 100-Hour global stargazing marathon. Pop outside during the event and complete our beginners' stargazing challenges to put your markers on the map 🤩 📌 See how many people have already registered their locations in advance at 100hours.online - is your town there? 👀
"Starting TOMORROW, 1-4 Oct beginners' stargazing. Add your town at https://100hours.online". There's a 100 Hours logo, and a picture of the map from the app. The map is already smothered with markers showing where people have pre-registered their locations. There's also a picture of a phone showing the app, with four challenges.
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Emily Hunt @emily.space · 01/10/2026
Great to see in this bumper review of the LMC & SMC ditch the pointlessly colonial language that we have for the Milky Way's two nearest neighbours. arxiv.org/abs/2609.38277 Magellan had *nothing* to do with discovering them, and they were known to indigenous communities for millennia. 🔭☄️
1.1 Historical context: the cranes of the southern night sky

The two nearest star forming galaxies to the Milky Way are readily observable to the naked eye in the southern hemisphere. Consequently, these two galaxies have been known to humans, since there have been humans in those regions of the planet. Just like today, the origin and purpose/meaning behind their presence have been the subject of discussion and conjecture, as reflected in the mythology of most civilizations in the Southern Hemisphere. For example, the Mapuche people of Chile referred to these objects as “water ponds” (Rüganko or Menoko). The Clouds also feature in the oral histories of most Aboriginal groups in Australia. For example, in the Lower Murray they are known as Prolggi, which has been translated as “Cranes”. 

The earliest written records of the Clouds are possibly traced to the work of Persian astronomer Abd-al-Rahman al-Sufi (around 964 AD) in his treatise Kit¯ab suwar al-kaw¯akib (“The Book of Fixed Stars”). In western astronomy, these galaxies have been known collectively as the Magellanic Clouds, and individually as the Large Magellanic Cloud (LMC), for the larger of the two, and the Small Magellanic Cloud (SMC), for the smaller. The term “Magellanic” for the Large and Small Cloud was not coined by Magellan himself or his chronicler, and Magellan did not directly refer to the LMC and SMC themselves in his writings (Dennefeld 2020).

In this review, we will refer to these two galaxies collectively as “the Clouds” and separately as the LMC and SMC. As a field, Astronomy must adopt naming conventions thoughtfully and be ready to modify historical precedent (de los Reyes M 2023). As with the story of our understanding of the dynamics of the Clouds themselves, conventional wisdom cannot dictate modern astrophysical discourse. If we wish to advance our physical understanding of the universe, we must build an inclusive community that can support and sustain a diversity of scholars who will…
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ithinkwellhugh.bsky.social @ithinkwellhugh.bsky.social · 01/10/2026
Starting a PhD soon? Download this easy to use thesis planner (free). You can map out the major phases of your #PhD. Then bring it along to a meeting with your supervisor and discuss if realistic. buff.ly/2NMM78T #PhDchat #ECRchat #postdoc #research
buff.ly
https://buff.ly/2NMM78T
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Greg Jericho @grogsgamut.bsky.social · 01/10/2026
Last month Santos CEO Kevin Gallagher told the National Press Club that Santos and the gas industry had not lost its social license
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Guardian Australia @australia.theguardian.com · 01/10/2026
Microsoft’s datacentres and Optus owner among firms paying zero tax on billion-dollar Australian revenues
theguardian.com
Microsoft’s datacentres and Optus owner among firms paying zero tax on billion-dollar Australian revenues
ATO database names big companies – including Microsoft subsidiary and Netflix - that pay little corporate tax, but noted there could be legitimate reasons Microsoft’s datacentre business and Optus parent Singtel are among a string of major corporations generating billions of dollars in revenue in Australia while paying zero income tax. Well-known multinationals like Netflix also only pay tax on a small fraction of their turnover, according to the Australian Tax Office (ATO). Continue reading...
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Brent Toderian @brenttoderian.bsky.social · 01/10/2026
READ: If you haven’t seen this yet, please take a look. Motonormativity ("car brain") is a bias that stops people from making rational judgements about driving. This study co-authored by @ianwalker.bsky.social looks at where this bias comes from & how it works. www.sciencedirect.com/science/arti...
Screetshot of study title “Why Do Cars Get A Free Ride?” #CarBrain #Motonormativity
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Kees van der Leun @sustainable2050.bsky.social · 30/09/2026
Lowest on record (1866-2026)! The water level in the Rhine keeps reaching new lows. 6.12 m above sea level already was a new all-time low in August, but now we're at 6.06 m, and still going down.
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Prof Ian Hall @ianhall.bsky.social · 01/10/2026
Swiss glaciers suffer 'disastrous' year of ice loss, threatening water supplies "…in its simplest form, what we see right now is that we took an ice cube out of the fridge and it's just melting in front of our eyes." www.bbc.co.uk/news/article...
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Tim Hollo @timhollo.bsky.social · 01/10/2026
“The approval of the HVO mine continuing is not just another climate failure among many. It is the failure that finally broke my faith in the capacity of public institutions to serve the public interest.” The brilliant George Woods www.theguardian.com/commentisfre...
theguardian.com
The green light for the largest coalmine in NSW history is shocking proof that our governance systems are betraying Australians | Georgina Woods
There is no greater treachery than this failure to face up to the climate crisis. How can we now fend off despair?
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Astronomer Royal for Scotland | Catherine Heymans @astroroyalscot.bsky.social · 30/09/2026
It's been 7 months since I gave evidence at the UKGov select committee hearing, on the policy changes at UKRI which have had a catastrophic impact on funding for UK astronomy and particle physics. When asked if we thought we were the "canary in the coal mine", we said yes..... we weren't wrong. 🧪🔭⚛️
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Adrian Hon @adrianhon.bsky.social · 29/09/2026
I mention this issues in THE AGE OF IMMERSION, that the growth in immersive experiences is due to the loneliness crisis (which itself is presumed to be the product of screens/internet)... But it's more complex than that. For one thing, immersive-ish things were popular long before screens.
derekthompson.org
You Are No Longer Invited to Dinner
We’re witnessing the death of hosting in America. The share of adults who say they regularly have friends over has declined 70 percent since 1975
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International Space Science Institute (ISSI) @issibern.ch · 29/09/2026
🌌 The Next Frontier: Life Beyond Earth From Europa's hidden oceans to Titan's lakes and exoplanets that may one day show signs of life: Svetlana Berdyugina explores humanity's oldest questions with tomorrow's tools. 🗓️ Thu, 1 Oct, 18:15 CEST 📍 ISSIBern 📡 www.issibern.ch/pro-issi-tal... #ProISSITalk
issibern.ch
The Next Frontier: Life Beyond Earth The Next Frontier: Life Beyond Earth
Pro ISSI Talk with Svetlana V. Berdyugina | Thursday, October 1, 2026 (18:15 CEST) | Venue: ISSI, Hallerstrasse 6, 3012 Bern, J. Geiss Auditorium (1st floor)
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Paul Voosen @voosen.me · 28/09/2026
New Horizons is now *three days away* from shutting off its two heliophysics instruments, simply because NASA has not provided the $2M in funding it had promised to the mission last year or this year. There is no science basis for shutting these off. Our earlier coverage:
science.org
NASA’s New Horizons mission may shut down two instruments over lack of funding
Decision risks “incalculable loss” of data from the edge of the Sun’s influence, scientists say
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George Monbiot @georgemonbiot.bsky.social · 28/09/2026
Here is how politics, in most cases, works: Rich and powerful interests, whether in fossil fuels, finance, big tech, media, meat, pharma or foreign governments, make a demand, and use their sophisticated tools to persuade a government to adopt it. The government adopts it. Please read whole🧵
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Retraction Watch @retractionwatch.com · 28/09/2026
Retraction Watch and @theopennotebook.bsky.social are thrilled to introduce our first Research Accountability Reporting Fellows. This program equips journalists at local newsrooms to cover issues of scientific integrity, such as misconduct, data manipulation, fraud, and problematic publishing.
theopennotebook.com
Announcing the First Research Accountability Reporting Fellows—and a New Slate of Trainings! - The Open Notebook
Retraction Watch and The Open Notebook are thrilled to introduce the first two fellows in our Research Accountability Reporting Fellowship. This program, supported by The Center for Scientific Integri...
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International Space Science Institute (ISSI) @issibern.ch · 28/09/2026
☕ Coffee-break read for scientists Astronauts have the Overview effect. Aquanauts have the Underview effect. What about the rest of us? This new ISSI piece argues that researchers have a version of their own… ⏱ About 7 minutes, ~ one cup. 👉 www.issibern.ch/the-overview... #InnerviewEffect 🔭
issibern.ch
The Overview, the Underview, and the Inner View
Discover the inner-view effect: an exploration of interconnectedness seen through the lens of research and nature.
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Dutch Cycling Embassy @dutchcycling.nl · 28/09/2026
🚲🚆 What makes the Dutch bike–train connection work? In the Netherlands, cycling and public transport are designed to complement each other, and the bicycle + train connection is the most impressive feature of this seamless inter-modality. Want to read more about it? → buff.ly/3cMWWIX
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Faine Greenwood @faineg.com · 25/09/2026
Imagine if instead of regulating drone risks the normal way (which we did), we instead paid weird bloggers lots of money to worry about superintelligent dogs sprouting thumbs and using drones to kill us. This is pretty much how the US is approaching AI risks and regulations. My latest:
little-flying-robots.ghost.io
Why We Can't Let Enormous Weirdos Regulate AI
Imagine if instead of regulating drones via the standard lengthy, boring, and bureaucratic process - which we did - we instead decided, in the name of fostering all-important American drone innovation...
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Robert "The Bobby Yaga" McNees @mcnees.bsky.social · 26/09/2026
Today is the big one-two-one for special relativity. In honor of this momentous occation here is a 121-post-long thread. (I am just kidding, the thread is from last year so it is only 120 posts long. [No, I am still just kidding, it is only 35 posts.]) Happy birthday, special relativity! 🧪 ⚛️ 🔭
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Zach Weinersmith @zachweinersmith.bsky.social · 26/09/2026
I kinda get why people hate on fussy philosophical stuff, but on the other hand don't you think we live in a time where it'd be especially helpful to have rigorous conversations about things like personhood, meaning in life, the point of art, the point of pure mathematics, & operationalizing ethics?
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Kees van der Leun @sustainable2050.bsky.social · 26/09/2026
The Dutch (on average) think that agriculture - good for 1.4% of GDP - takes up less than 1/5 of our country. In reality, it's over half.
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21 Group @21group.bsky.social · 25/09/2026
Very bleak article Universities face an existential reckoning Funding is tightening. AI is disrupting the model. PR disaster follows PR disaster. Executive pay keeps climbing And politicians aren’t going to ask students & taxpayers for more money www.timeshighereducation.com/news/voters-...
timeshighereducation.com
Voters sour on increasing tuition fees and university funding
Polling suggests sector is public’s lowest priority for education investment
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Jonathan McDowell @planet4589.bsky.social · 25/09/2026
Statement from the Center for Space Environmentalism about space weapons: www.spaceenvironmentalism.org/actions/posi...
spaceenvironmentalism.org
CSE Opposes The Militarization Of Outer Space
The recent confirmation by the United States that it has placed offensive weapons in orbit is cause for grave concern about the long-term integrity of the near-Earth space environment. It is a turning...
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Prof Julia Steinberger 🌹🌱🌍 #ClimateAction #Fightfascism @jksteinberger.bsky.social · 25/09/2026
In case it wasn't clear, academia is crumbling under the enormous flood of AI-generated content. The latest victim is the Marie Skłodowska-Curie Actions (MSCA) flagship EU postdoctoral fellowships. The number of submissions has more than doubled in the past 3 years.
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University of Nottingham UCU branch @uonucu.bsky.social · 24/09/2026
Our massive strike action for the fall begins on Wednesday, but we will be facing some intense financial hardship to do so. Please consider supporting our members by donating to our solidarity fund. www.justgiving.com/crowdfunding...
justgiving.com
Help raise £10000 to support the Nottingham UCU hardship fund – JustGiving Crowdfunding
Iʼm raising money to support the Nottingham UCU hardship fund. Support this JustGiving Crowdfunding Page.
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Jose Been @josebeentv.bsky.social · 24/09/2026
I don’t want to repeat myself but the future of women’s cycling in the Netherlands is bleak: junior and U23 women. Hardly any investment from the federation, no races whatsoever for young riders. New riders don’t emerge from nowhere. See France, Spain, Belgium where they actively develop!
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Ketan Joshi @ketanjoshi.co · 23/09/2026
Trying to contain myself this week but "the electrification of information" has sent me INFORMATION WAS ALREADY ELECTRIC. GenAI is taking existing info, making it wrong + 1,000,000x more energy intensive and then BUILDING HUMANITY'S BIGGEST GAS PLANTS that is the OPPOSITE OF ELECTRIFICATION
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Melaine Le Roy @subfossilguy.bsky.social · 22/09/2026
Gran Paradiso Aug. 1980 | Sept. 2026 Incredible repeat photography of the Gran Paradiso glaciers 46 years apart, showing the magnitude of man-made glacial collapse in the Alps - which will never be white again! 🧊🔥 📷 Antonio and Riccardo Bussano 🙏
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The Conversation UK @uk.theconversation.com · 23/09/2026
A medieval island that was home to a wealthy city continues to fascinate 800 years after it disappeared beneath the waves.
tcnv.link
Ravenser Odd, the sunken medieval island that continues to inspire and obsess
A medieval island that was home to a wealthy city continues to fascinate 800 years after it disappeared beneath the waves.
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David Ho @davidho.bsky.social · 22/09/2026
Happy World Car-Free Day to all who celebrate!
unep.org
World Car-Free Day on 22 September a great opportunity to reduce air pollution
Every year on or around 22 September, cities across the globe celebrate World Car-Free Day, encouraging motorists to give up their cars for a day. The event highlights the numerous benefits of going c...
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Astronomer Royal for Scotland | Catherine Heymans @astroroyalscot.bsky.social · 22/09/2026
⏰ Start your countdown clock for the exact moment of the autumn #equinox, 01:06 (UK) 23rd Sept, when the Northern hemisphere and Southern hemisphere are equally illuminated. The day length in 🏴󠁧󠁢󠁳󠁣󠁴󠁿Scotland will be ~the same as in 🇳🇿New Zealand 🤓🧪🔭 📷: National Maritime Museum, Greenwich
The main diagram shows the Earth's annual rotation around the Sun, surrounded by a zodiacal scale that gives the names, symbols and images of the signs of the zodiac. The seasons and the positions of the equinoxes and solstices are marked. Text at the corners describes the Zodiac and the Earth, and a longer text at the bottom explains the Phenomena of the Seasons.

From https://collections.rmg.co.uk/media/501/182/l1073_001.jpg
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UN Environment Programme @unep.org · 22/09/2026
Overshooting 1.5°C is not a reason to give up. On the contrary, it’s a reason to act faster, because the higher the temperature rise and the longer it stays there, the greater the damage. Here’s what “overshoot” means and why every fraction of a degree matters.
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