Happy (northern) winter solstice to all who celebrate!
21.12.2025 15:05 — 👍 0 🔁 0 💬 0 📌 0
It's nice when they add an extra touch to the usual dull announcements. Like a couple of days ago when the conductor announced that we were going to be late because the driver was stuck in the loo..
13.11.2025 11:15 — 👍 1 🔁 0 💬 1 📌 0
Dioptrice
| Radboud University Press
So I did a thing - you can now read Johannes Kepler's book Dioptrice in an English translation. Here Kepler offered the first theoretical account of how a telescope works, among other things. Published open access:
books.radbouduniversitypress.nl/index.php/ru...
#astronomy #optics #telescopes
19.05.2025 14:10 — 👍 0 🔁 0 💬 0 📌 0
Venus today at 14:21 CET. Nikon D80 and 6" Newton w. 26 mm eyepiece. 1/500 sec
#Venus #astrophotography #astronomy
16.03.2025 15:16 — 👍 3 🔁 1 💬 0 📌 0
Venus and Mercury in the evening sky
Venus and Mercury tonight, from Hilversum, the Netherlands.
#astronomy #astro #Venus #Mercury
06.03.2025 20:37 — 👍 0 🔁 0 💬 0 📌 0
Astrophysicist working on dark matter, near-field cosmology, and galaxy formation. All opinions are my own. He/him.
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Posting Astronomy Picture of the Day from today and other days with the corresponding official explanation from NASA and also reposting astronomy content. If you like pets, check out my brother @catdogsky.bsky.social
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✨Astronomer searching for and studying the faintest galaxies in the Universe ✨co-host of the @starxiv.bsky.social podcast ✨ Enthusiastic-but-mediocre runner 🏃🏻♀️ vegan 🌱 She/her
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Prof. Astrophysics, columnist D/NL, bestseller author “Licht im Dunkeln/Light in the Darkness/Licht in de duisternis” about the first ever image of a black […]
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Professor of planetary science at Johns Hopkins. Titan’s biggest fan. Pomeranian wrangler. Runner. Love many, trust few, always paddle your own canoe. She/her. sarahhorst.com
Planetdr.26 on signal
Bad Astronomer (formerly @BadAstronomer), SciCommer, Dork. Crash Course Astronomy guy. He/him. Newsletter: badastronomy.beehiiv.com
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Caltech/IPAC Planet Hunter | Chief Scientist, NASA Exoplanet Science Institute | @TEDFellow | Science consultant | General Nerd | My views are not the views of NASA | She/her
The Space Telescope Science Institute is the Science Operations Center for Webb, Hubble, and the upcoming Roman space telescopes, & Mission Operations Center for Webb. We help humanity explore the universe with advanced space telescopes and data archive.
Recovering Astronomer. Desert Bus for Hope Video Strike Team volunteer. Haver of opinions about transit. He/they
Emeritus professor of astronomy at the University of Nottingham. Too frequent appearances on YouTube. All my own views.
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