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Louis Moresi

@louis.moresi.info

Professor of Computational Geodynamics, Geophysics, Fluid Dynamics and all that stuff at the Australian National University. Interested in virtual plate tectonics (Earth and elsewhere), earthquake dynamics, groundwater, rivers… orcid: 0000-0003-3685-174X

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Latest posts by Louis Moresi @louis.moresi.info

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Stars are disappearing before our eyes — and something in us is shifting For most of human history, the night sky has been a shared inheritance, a source of wonder. Now, more than a billion children see barely any stars in the night sky above their homes. So what does that...

'We are losing the stars. Not all at once, but quietly, one streetlight, one neon sign, one expanding suburb at a time.'

🧪 🔭

04.03.2026 04:44 👍 232 🔁 97 💬 11 📌 22
Black and white photo of Jesse Jackson, taken by Don Carl Stefan in 1972. It is a head and shoulders shot of Jackson, arms crossed and looking over his left shoulder and st something off frame to his left. 

Jackson here is a young, black man dressed in a dark, collared shirt, light vest. He has a medium-length Afro and a mustache. He is sporting a button that reads “Ingreso adecuado ahora” which means adequate income now.

Black and white photo of Jesse Jackson, taken by Don Carl Stefan in 1972. It is a head and shoulders shot of Jackson, arms crossed and looking over his left shoulder and st something off frame to his left. Jackson here is a young, black man dressed in a dark, collared shirt, light vest. He has a medium-length Afro and a mustache. He is sporting a button that reads “Ingreso adecuado ahora” which means adequate income now.

Friends — did you know that Jesse Jackson was a speaker at the 1st National Conference on Minority Participation in Earth Sciences?

This 1972 USGS event sparked a lot of great work before R’s decided to shut it down. I was surprised when I learned of his participation-maybe you are too.

17.02.2026 16:15 👍 11 🔁 6 💬 0 📌 1
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Happy Valentine's Day from the SciX Team to our ever expanding research community. We love you with all our heart (and soul nebulae)! Explore more about this loved up couple of nebulae in the Science Explorer platform! https://bit.ly/SciX-Heart (image is IR mosaic from NASA's WISE)

14.02.2026 15:01 👍 0 🔁 2 💬 0 📌 0

@earth-science.bsky.social ⚒️

14.02.2026 04:20 👍 12 🔁 6 💬 1 📌 0
Mussel in the shape of a love heart

Mussel in the shape of a love heart

The heart is a mussel - valentine’s day in australia.

14.02.2026 00:17 👍 4 🔁 0 💬 0 📌 0
This is figure 4, which shows terrestrial analog of Venusian lava tubes.

This is figure 4, which shows terrestrial analog of Venusian lava tubes.

The existence of lava tubes on Venus has long been hypothesized, but never confirmed. A paper in Nature Communications proposes the presence of a lava tube in the Nyx Mons region. go.nature.com/4kwxJ20 🔭 🧪

12.02.2026 20:02 👍 19 🔁 4 💬 0 📌 1
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This International Day of Women and Girls in Science, we celebrate the talented, trailblazing women who we have the honour of working with every day here at Oxford Earth Sciences 🌏

#IDWGS #WomenInScience

@ox.ac.uk @mplsoxford.bsky.social

11.02.2026 09:00 👍 31 🔁 13 💬 1 📌 0
I don’t know how to describe this - a map of Australia with a random mix of states mapped out. They are in the wrong place with the wrong boundaries and a few random US states thrown in. WA has obviously paid some protection money to get the exactly correct spelling and location on the map …

I don’t know how to describe this - a map of Australia with a random mix of states mapped out. They are in the wrong place with the wrong boundaries and a few random US states thrown in. WA has obviously paid some protection money to get the exactly correct spelling and location on the map …

For all of you worrying that AI will outsmart us, here is some comfort (probably short lived though).

11.02.2026 07:52 👍 2 🔁 0 💬 0 📌 0

I like to draw fish (suspect i'm better at that than horses but . . . )

drawafish.com

09.02.2026 23:34 👍 142 🔁 56 💬 2 📌 10
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Gladys Mae West obituary: mathematician who pioneered GPS technology She made key contributions to US cold-war science despite facing huge barriers as a Black woman.

No joke: I got angry hate mail today for writing an obituary of a Black woman scientist—because the person felt she did didn’t deserve the recognition.

Which just makes me want to share it again: www.nature.com/articles/d41...

06.02.2026 09:09 👍 47149 🔁 19325 💬 1350 📌 795
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In the Australian outback, we’re listening for nuclear tests – and what we hear matters more than ever As the United States and Russia signal a return to nuclear testing, Australia’s remote monitoring station plays a crucial role in global verification.

It's an important time to learn about the monitoring of nuclear testing. Here is an article by @scienceanu.bsky.social colleague, Hrvoje Tkalčić: theconversation.com/in-the-austr...

⚒️

05.02.2026 00:48 👍 4 🔁 2 💬 0 📌 0
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Rob Hirst was a force of nature, a born showman who led Midnight Oil from the back Phenomenal drummer and percussionist was an equally accomplished songwriter who embodied the band’s bloody-minded spirit

I wrote this some time ago - with all of us knowing this day would come, and Rob, of course, fighting like the bloody-minded bastard he was to the very end. He irrevocably changed my life - and how our country saw itself. www.theguardian.com/music/2026/j...

20.01.2026 07:16 👍 305 🔁 104 💬 21 📌 8

⚒️

20.01.2026 15:51 👍 6 🔁 0 💬 0 📌 0
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Last year, we made the decision to step away from X.

The Royal Irish Academy is committed to creating, convening, and sharing knowledge for the public good and as an organisation we value Independence; Integrity; Curiosity; Openness and Rigour.

In our view, X no longer aligns with these values

17.01.2026 11:11 👍 6341 🔁 924 💬 109 📌 77
Advertisement by the Australian Academy of Science showing 'NOW HIRING' for a Science Adviser position, with a backdrop of a sunset over a bridge leading to Parliament House, Canberra. Visit science.org.au/careers for details.

Advertisement by the Australian Academy of Science showing 'NOW HIRING' for a Science Adviser position, with a backdrop of a sunset over a bridge leading to Parliament House, Canberra. Visit science.org.au/careers for details.

📣 We're hiring: Science Adviser
Do you have policy experience and the skill to translate complex science into actionable advice? Work with leading scientists to deliver evidence-based advice on national and global issues.

📍 Canberra ACT (Hybrid)
⏰ Apply by 27 Jan 2026

https://bit.ly/45B5oBf

10.01.2026 02:11 👍 8 🔁 12 💬 0 📌 0

Terrible shock / awful news.

29.12.2025 04:14 👍 3 🔁 0 💬 0 📌 0

They could be in drag though

27.12.2025 00:11 👍 0 🔁 0 💬 1 📌 0
Rich red nectarine on a branch with leaves and with human hand in background for scale.

Rich red nectarine on a branch with leaves and with human hand in background for scale.

Christmas nectarines - small but beautifully sweet. Delivered right to the door by Mother Earth 🌍 !

26.12.2025 23:46 👍 4 🔁 0 💬 0 📌 0
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NORAD's Santa Tracker began with a typo and a good sport It all started in 1955 with a misprint in a Colorado newspaper and a call to Col. Harry Shoup's secret military hotline. Shoup played along with the tiny voice who called, and a tradition was born.

It all started in 1955 with a misprint in a Colorado newspaper and a call to Col. Harry Shoup's secret military hotline. Shoup played along with the tiny voice who called, and a tradition was born.

From the NPR archives.

24.12.2025 17:59 👍 481 🔁 149 💬 7 📌 13
Surf lifesaving 4wd vehicle on the sand in warm, rainy weather with a man in a smart suit and sunglasses

Surf lifesaving 4wd vehicle on the sand in warm, rainy weather with a man in a smart suit and sunglasses

Surf lifesaving 4wd vehicle on the sand in warm, rainy weather with a man in a smart suit and sunglasses. Various lifesaving equipment in the foreground.

Surf lifesaving 4wd vehicle on the sand in warm, rainy weather with a man in a smart suit and sunglasses. Various lifesaving equipment in the foreground.

Surf lifesaving 4wd vehicle on the sand in warm, rainy weather with a man in a smart suit and sunglasses. Children in nippers training uniforms also present.

Surf lifesaving 4wd vehicle on the sand in warm, rainy weather with a man in a smart suit and sunglasses. Children in nippers training uniforms also present.

Surf lifesaving 4wd vehicle on the sand in warm, rainy weather with a man in a smart suit and sunglasses. Children in nippers training uniforms also present.

Surf lifesaving 4wd vehicle on the sand in warm, rainy weather with a man in a smart suit and sunglasses. Children in nippers training uniforms also present.

A very Aussie weekend-before-Christmas

21.12.2025 10:46 👍 5 🔁 0 💬 1 📌 0
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We're buzzing from our first full day at #AGU25! If you're in #NewOrleans this week, visit our booth for demos, science badges, luggage tags, and great conversations!
#SciX #OpenScience

17.12.2025 05:23 👍 3 🔁 1 💬 1 📌 0

Horoscopes

15.12.2025 19:35 👍 0 🔁 0 💬 0 📌 0

Fraktur - illegible and loaded with fascist overtones.

10.12.2025 19:17 👍 1 🔁 0 💬 0 📌 0
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Trains cancelled over fake bridge collapse image Rail services were cancelled after a 'hoax' picture of a damaged bridge appeared on social media

After a 3.3-magnitude earthquake in north-west England on Wednesday night, "Trains were halted after a suspected AI-generated picture that seemed to show major damage to a bridge appeared on social media".

So there we are 😱

www.bbc.com/news/article...

06.12.2025 05:05 👍 22 🔁 10 💬 1 📌 1

Mail ? What is that again ?

05.12.2025 18:55 👍 0 🔁 0 💬 1 📌 0
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We are hiring a Senior Education Officer – Mathematics, a role focused on developing quality teaching resources for Year 7-10 maths teachers.

📍 Canberra (remote considered)
📅 Fixed term until Dec 2026

Learn more: bit.ly/4oxsf7l

05.12.2025 04:02 👍 1 🔁 2 💬 0 📌 0

The earth scientists (probably both sorts of earth) need to hear about this application of seismology to agriculture! ⚒️ / #earth-science

05.12.2025 11:26 👍 4 🔁 1 💬 0 📌 0

@underworldcode.org - 🦇- nice !!

28.11.2025 10:39 👍 2 🔁 0 💬 0 📌 0

A: There’s still some left over.

OK - I’ll create the Ute and you can hang ‘em on the towbar.

27.11.2025 11:51 👍 1 🔁 0 💬 0 📌 0
Funny-looking bird which looks like it is wearing a life jacket from and air-safety video and a badly chafed neck.

Funny-looking bird which looks like it is wearing a life jacket from and air-safety video and a badly chafed neck.

Happy thanksgiving to all my US friends. Here is another thing to be thankful about: you are not required to eat one of these weird looking turkey-adjacent fowls.

27.11.2025 11:35 👍 7 🔁 2 💬 0 📌 1