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Steve Desch

@deschscoveries

Professor of astrophysics / planetary science / meteoritics at Arizona State University.

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18.07.2023
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Latest posts by Steve Desch @deschscoveries

Do you know what the “B.” in “Benoit B. Mandelbrot” stands for?
“Benoit B. Mandelbrot”.

06.03.2026 03:40 👍 4 🔁 0 💬 0 📌 0

To me it looked like a large boulder the size of a small boulder?

05.03.2026 19:54 👍 7 🔁 0 💬 1 📌 0

Luke.

05.03.2026 19:41 👍 4 🔁 0 💬 0 📌 0
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a man with blonde hair is making a surprised face in a room . Alt: Devin from SNL’s The Californians, nodding. “I said AROUND Colorado, Stuart!”

I said Earth-LIKE, Eric!

03.03.2026 06:34 👍 4 🔁 0 💬 0 📌 0

ME: pack a bag, we’re flying to kansas

MY WAYWARD SON: what kind of bag

01.03.2026 04:26 👍 1362 🔁 336 💬 25 📌 11
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In this viral clip from Cosmos Ep.1, Carl Sagan explains how Eratosthenes (276–194 BC) calculated Earth's circumference. 🔭 🧪 ⚛️

His estimate: 250,000 stadia ≈ 25,000 miles (~40,000 km).

Crazy accurate for 2200+ years ago!

#histsci #science

26.02.2026 19:14 👍 122 🔁 37 💬 7 📌 1

I nearly overlapped with Jensen Huang. 😕

24.02.2026 19:23 👍 0 🔁 0 💬 0 📌 0

Steve quietly closing this thread and tiptoeing away…

23.02.2026 02:46 👍 4 🔁 0 💬 1 📌 0

Point of clarification: Are we getting chowder at the drive-thru, or driving through chowder? ‘Cuz these days it already feels like we’re driving through chowder. But convenient soup would be nice.

22.02.2026 04:50 👍 0 🔁 0 💬 0 📌 0
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Why do curling stones slide across ice the way they do? After a century of study, physicists have theories — but they’re still not 100% sure.

Watching the Olympic curling finals this weekend? Physicists still aren't 100% sure why the big granite stones 'curl' the way they do.

go.nature.com/4rTOAOw

20.02.2026 20:36 👍 40 🔁 13 💬 1 📌 2

Now I have “Rock Me Amadeus” in my head, thanks.

20.02.2026 19:00 👍 1 🔁 0 💬 0 📌 0

I also swore off octopus, 20 years ago! Same reason. Well, not specifically tiny piano-based. But yeah they are too intelligent for me to eat.

20.02.2026 07:58 👍 1 🔁 0 💬 0 📌 0

I’m sure there’s a form for that, too, Elizabeth. 😒

20.02.2026 06:34 👍 2 🔁 0 💬 0 📌 0
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19.02.2026 18:36 👍 2124 🔁 182 💬 36 📌 11
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This is not the quality of pseudoscience infotainment to which I have grown accustomed Teasing the public with fraudulent or self-deluded promises of aliens used to mean something. It took work. It meant slapping together…

Couldn’t agree more!

medium.com/@steve.desch...

19.02.2026 21:09 👍 3 🔁 1 💬 2 📌 0

Did dinosaurs climb trees?!
I have to make some adjustments to my time machine…

19.02.2026 18:24 👍 1 🔁 0 💬 1 📌 0

Fun fact: the plural of unison is bison.

19.02.2026 03:57 👍 10 🔁 0 💬 1 📌 0

True. To this teenager in the Reagan era, Jesse Jackson seemed impossibly idealistic, an electoral non-starter. But it’s obvious now he was right about who we are, and his agenda is what America needs today. And he laid groundwork for such a future.
He seems to’ve had an invisible touch?

18.02.2026 05:17 👍 7 🔁 0 💬 2 📌 0
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Wow.

17.02.2026 03:59 👍 35897 🔁 16634 💬 1297 📌 2470

Steve walks warily down the street…

16.02.2026 21:18 👍 1 🔁 0 💬 0 📌 0

In a couple of years they have built a little pink house

15.02.2026 20:53 👍 1 🔁 0 💬 0 📌 0

I remember that day!

14.02.2026 20:39 👍 1 🔁 0 💬 0 📌 0

Unfortunate Agreement is our band name.

14.02.2026 03:42 👍 1 🔁 0 💬 0 📌 0

My understanding is that this is businesses’ response to the K-shaped economy: still technically provide a product for the peons, make your profit selling decent products to the upper middle class. Solving the enshittification problem may require solving inequality. I’m not holding my breath.

13.02.2026 23:52 👍 2 🔁 0 💬 1 📌 0

#tempestrong

13.02.2026 19:25 👍 0 🔁 0 💬 1 📌 0

It’s chopped.

13.02.2026 05:23 👍 0 🔁 0 💬 0 📌 0

I coulda sworn it was Primus.

13.02.2026 01:58 👍 2 🔁 0 💬 0 📌 0

Howard the Duck (1986)

12.02.2026 02:47 👍 3 🔁 0 💬 1 📌 0

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Reposting this thread on #KatherineJohnson —perfect timing for the International Day of Women & Girls in Science on #Februar11, and right in the heart of #BlackHistoryMonth.

Her story just blows me away every time, showing how one person's grit ...

#WomenInSTEM #HistSci #WomenInScience 🧪 🔭 ⚛️

11.02.2026 14:18 👍 37 🔁 12 💬 2 📌 0
Bootsy Collins feat. Fantaazma - Hip Hop Lollipop
Bootsy Collins feat. Fantaazma - Hip Hop Lollipop YouTube video by Bootsy Collins

Thanks! I mostly wanted to work in the pun, but I am truly amazed to learn about his influence. Even after 50 years he’s still fresh. I’m loving this recent song:
m.youtube.com/watch?v=93BE...

11.02.2026 08:47 👍 1 🔁 0 💬 1 📌 0