Reposted by Josh HopkinsPaul Byrne @theplanetaryguy.com · 14/10/2026Speaking of Saturn photobombing pics of moons (see my earlier post today)... This video sequence, taken in 2007 by astronomer Jan Koet, shows the Moon moving in the sky—revealing giant Saturn, almost 1.5 billion km away. The video is at twice actual speed. 1444382 443
Reposted by Josh HopkinsMelpomene 🔓 @melpomany.bsky.social · 10/10/2026"It looks delicious," she said, "but one question, what actually is 'homemade ghee'?" its butter i clarified 211848354 1.8K
Reposted by Josh HopkinsPaul Byrne @theplanetaryguy.com · 09/10/2026At the VEXAG 2026 meeting in Boulder just now, we've learned that NASA's VERITAS mission has been scheduled for a November 2032 launch. Folks, this is CRAZY good news. Earlier this year we were concerned that NASA would *cancel* VERITAS! 413120 131
Reposted by Josh HopkinsJenny Chase @solarchase.bsky.social · 10/10/2026Time for 2026 updates to my annual “opinions about solar” thread, now with storage. If you like these, you might like edition 2 of my book, Solar Power Finance Without The Jargon. A 30% discount code WSQ0437 is valid on publisher website til end of Nov 2026. www.worldscientific.com/worldscibook...worldscientific.comSolar Power Finance Without the Jargon 5478203 478
Josh Hopkins @spacejosh.bsky.social · 11/10/2026For what it’s worth, the assumption that soldiers are young men like in the old days is mostly false on both sides of Russia’s invasion. Per Mediazona, the median age of identified Russian fatalities is 38. There are few “kids” on either side. en.zona.media/article/2026...en.zona.mediaRussian losses in the war with Ukraine. Mediazona count, updated276,000 deaths confirmed by October 9 030 3
Josh Hopkins @spacejosh.bsky.social · 11/10/2026For what it’s worth, the assumption that soldiers are young men like in the old days is mostly false on both sides of Russia’s invasion. Per Mediazona, the median age of identified Russian fatalities is 38. There are few “kids” on either side. en.zona.media/article/2026...en.zona.mediaRussian losses in the war with Ukraine. Mediazona count, updated276,000 deaths confirmed by October 9 050 5
Reposted by Josh HopkinsLisounours @lise-l.bsky.social · 10/10/2026Ils étaient mi-cerf mi-escargot, et re mi-cerf derrière 64106423110 10.6K
Reposted by Josh Hopkinsdepths of wikipedia @depthsofwikipedia.bsky.social · 10/10/2026four years ago I posted this image of paleontologist Jan Smit looking at rocks and his son-in-law replied with something even better 58152682946 15.3K
Reposted by Josh HopkinsElle Cordova @ellecordova.bsky.social · 08/09/2026I am the very model of a modern day typographer I know the type tonalities from elegant to jocular I am a master tracker and my kerning is harmonical I know the sacred swatches and can name the hues Pantonical (Full version of Modern Day Typographer now on my YouTube channel)youtu.beModern Day Typographer - Elle CordovaYouTube video by Elle Cordova 711868424 1.9K
Reposted by Josh Hopkinsbeyondearthsky.bsky.social @beyondearthsky.bsky.social · 04/10/2026Lift-off of Sputnik 8K71PS rocket with Sputnik 1. 053 5
Reposted by Josh HopkinsBill @bill-of-lefts.bsky.social · 05/10/2026The loss of living memory of the Second World War is absolutely catastrophic 572847397 2.8K
Josh Hopkins @spacejosh.bsky.social · 23/09/2026It intrigues me that the Neptune discovery by gravitational perturbations worked so perfectly the first time and fails almost every other time it’s been applied. (In our solar system - it seems to work for exoplanets.) An important example to understand how deductive reasoning does/doesn’t work. 130 3
Reposted by Josh HopkinsDavid S. F. Portree @dsfpspacefl1ght.bsky.social · 17/09/2026I've long had a fascination with Bellcomm, the think-tank Bell System created at NASA's request in 1962. Often it's called NASA's "Apollo planning contractor," but it studied much more than that. There was, for example, this mad crewed Mars concept. spaceflighthistory.blogspot.com/2021/12/mssr...spaceflighthistory.blogspot.comMSSR as MEM (1967-1968)The story of spaceflight told through missions and programs that did not happen - that is, the great majority of them. 1305 30
Reposted by Josh HopkinsKyle Clark @kylec.bsky.social · 18/09/2026Squirrels on suicide missions have knocked out power to Castle Rock, Colorado twice this week. Our investigation has revealed a century of squirrel attacks covered up by the pro-squirrel media. 1412428546 2.4K
Reposted by Josh HopkinsNick Stevens @nick-stevens.com · 17/09/2026"The little turtles are looking at the Moon and the Earth through the porthole of their spacecraft. An artistic interpretation of that very journey aboard the ‘Zond-5’ spacecraft." (The turtles were actually glued to posts, to stop them from moving around). 193 9
Reposted by Josh HopkinsSimeon Schmauß @stim3on.bsky.social · 13/09/2026Here is a fun little animation showing how the shadows on Phobos change over the course of its short (7h 39m) day. The other image was actually taken two weeks ago, but since Phobos is tidally locked to Mars, it doesn't really matter. 🔭🧪 25917 59
Reposted by Josh HopkinsIan Boudreau @ianboudreau.com · 12/09/2026Honestly, "big-name studios can't agree on the premise of the Muppet Show" sounds like the premise of the Muppet Show 725679902 5.7K
Reposted by Josh Hopkinsc0nc0rdance @c0nc0rdance.bsky.social · 19/02/2026Let's learn some surprising things about hummingbird tongues. First, as you can see, their tongues are forked & feathery, highly specialized for lapping up their liquid diet of nectar. But it gets weirder up close! 10503166 503
Josh Hopkins @spacejosh.bsky.social · 13/09/2026I agree, though I think this happens when the airframe and the engine are the responsibility of different organizations with clearly defined commitments. Company X built the plane they promised, while company Y delivered an underperforming engine. More so if the customer, not X, picks the engine. 000 0
Reposted by Josh HopkinsPatrick Chovanec @prchovanec.bsky.social · 13/09/2026100%. The notion that the President can conjure up revenue streams that free him from constitutional congressional control over spending is far more alarming than just another questionable spending proposal. 54934230 934
Reposted by Josh HopkinsPaul Byrne @theplanetaryguy.com · 09/09/2026Astrophotographer Adam (AJ) Smadi caught this image a few hours ago from Washington state. A thin crescent Moon, sunlight illuminating the rugged lunar surface. And 2,400 times farther away—and on the other side of the Sun—mighty Jupiter, and its moons Io (left) and Ganymede (right). 187165515088 16.6K
Josh Hopkins @spacejosh.bsky.social · 06/09/2026I mean, Africa usually is labeled AFRICA on maps, but I take your point. 000 0
Josh Hopkins @spacejosh.bsky.social · 05/09/2026The NYT version did indeed work more correctly for me than the other one. 000 0
Josh Hopkins @spacejosh.bsky.social · 05/09/2026Every time I hear a fuss about "we should stop using Mercator projection maps!" I wonder who in the world was still getting fooled by Mercator projection maps. National Geographic started using Van Der Grinten in *1922* and Robertson in the 80s. 100 1
Josh Hopkins @spacejosh.bsky.social · 04/09/2026This is a very cool way to get a sense of the real breadth of history, the distribution of humanity in time and geography, and how many people lived mundane, very short lives. I am slightly skeptical of the probably false precision involved, but it seems first-order reasonable. anyhumanever.comanyhumanever.comAny Human EverOne life, drawn at random from all who have ever lived. 000 0
Reposted by Josh HopkinsAlex de Campi @alexdecampi.bsky.social · 03/09/2026This one’s my favourite 755831403 5.6K
Josh Hopkins @spacejosh.bsky.social · 04/09/2026FinalFinal_reallyFinal_thistimeImeanit_Rev2.pdf 000 0
Reposted by Josh HopkinsRiding With Robots @ridingrobots.bsky.social · 03/09/2026Today's the 50th anniversary of the Viking 2 landing. An excuse to re-up this. science.nasa.gov/resource/vik... 47931 79
Reposted by Josh HopkinsJonathan Fortney @jjfplanet.bsky.social · 04/09/2026Insane lightning over Ohio, from 37,000 feet, @planetarygao.bsky.social ! 5347 34
Reposted by Josh HopkinsRural Indexing Project @ruralindexing.bsky.social · 27/08/2026Dots Poca, WV 4699115 699
Josh Hopkins @spacejosh.bsky.social · 25/08/2026People may legitimately ding Bluesky for being a politically homogenous echo chamber, but I’ll say one thing for it: I’m still getting likes on a pun I made several months ago, which would never happen on Twitter. 000 0
Reposted by Josh HopkinsThe Map Center @mapcenter.com · 22/08/2026Ward Maps in Cambridge is an excellent map store. It's BIG and has a ton of delightful MBTA merch that is creative and fun. I'm suspicious of most antique dealers who are just scavengers of history but Ward's owner is a real maker because he cowrote an excellent book about Boston map history. 15413 54
Reposted by Josh HopkinsKevin M. Gill @kevinmgill.bsky.social · 17/08/2026I've been trying for years to get a decent picture of a dragonfly in flight.... 2349740 497
Reposted by Josh Hopkinsdepths of wikipedia @depthsofwikipedia.bsky.social · 10/08/2026not to be confused with quesadilla 5681001803 8.1K
Reposted by Josh HopkinsAurélien Genin @astroaure.eurosky.social · 18/06/2026🌒 En fouillant les images de Yutu-2 🇨🇳, j'ai découvert que l'atterrisseur Chang'e 4 inclinait ses panneaux solaires pour les orienter vers le Soleil 🤯 Cette animation montre deux photos prises depuis le même endroit, à 7 jours d'écart (1/4 de rotation de la Lune, l'équivalent de 6h sur Terre) 3319 31
Reposted by Josh HopkinsChina Space Watch @chinaspace.bsky.social · 09/08/2026📷🔭 An amazing achievement! Astrophotographer Charline Giroud has captured an incredible image of China’s Tiangong Space Station passing over Spain at 8:20 AM UTC Aug 9. A stunning view from here on Earth of a truly “Heavenly Palace” — Tiangong. 🛰️🌍🌌 28510 85
Reposted by Josh HopkinsRural Indexing Project @ruralindexing.bsky.social · 09/08/2026Welcome sign Tangent, OR 27753173 753
Reposted by Josh HopkinsThomas [DARK MODE], DO 🫐 @tom.medsky.social · 09/08/2026Going through my parents' stuff and found this weird little gal. She's a transistor radio. Her right eyeball is tuner and her left eyeball is power/volume. 1784792752 4.8K
Josh Hopkins @spacejosh.bsky.social · 07/08/2026I recently discovered that the 1950 documentary about their adventure, mostly from film they shot on the voyage, is available on Amazon Prime. Worth checking out if you’re into adventure travel. They saw a lot more wildlife on a quiet floating raft than one would on a powered ship. 010 1
Josh Hopkins @spacejosh.bsky.social · 07/08/2026As a kid I was fascinated by a book about the voyage of the Kon-Tiki, when Norwegian adventurer Thor Heyerdahl and a few friends set out to prove his theory that Polynesia was populated from South America by building a traditional Peruvian balsa raft and floating across the Pacific in 1947. 110 1
Reposted by Josh HopkinsRandall Munroe @xkcd.com · 06/08/2026I really recommend the 2022 documentary “It’s Quieter in the Twilight,” which profiles the scientists working in relative obscurity to keep the Voyager spacecraft operating—many of them past retirement age, but unwilling to quit until the Voyagers do. It was very sweet and thought-provoking. 383682477 3.7K
Reposted by Josh HopkinsDon Davis @ddavisspaceart.bsky.social · 03/08/202651 years ago I painted a trio of Viking related works for NASA HQ including the widely reproduced one of the landing on Mars. I have reimagined the Landing portrayal in updated form using digital methods of visualization and painting. I chose the same angle but with reality replacing anticipation. 723585 235
Josh Hopkins @spacejosh.bsky.social · 04/08/2026Whenever I read about discoveries in the Amazon, I recall a lecture I saw by an archeologist of South American cultures. He said the reason we know so much about the civilizations of Peru and so little about the ancient Amazon is not because the Amazon was empty, but because Peru is easier to study. 000 0
Reposted by Josh HopkinsMicro SF/F by O. Westin @microsff.com · 11/05/2026A spaceship entered Earth's orbit and broadcast a message: "We are the Interstellar Library. Do you want to swap? We have thousands of stories." There were many replies. The library was silent for a whole day, then: "What do you mean, 'We have millions'?" 8501149 501
Reposted by Josh HopkinsMicro SF/F by O. Westin @microsff.com · 28/05/2026"After years of painstaking research in ancient grimoires and microcontroller logic, I have perfected it!" the professor exclaimed. "What?" "All printers are possessed. I've made a PDF which performs an exorcism." "So you print it, and then the printer works?" "Yes!" "What if it won't print?" 12545172 545
Reposted by Josh HopkinsMicro SF/F by O. Westin @microsff.com · 28/06/2026"You have tampered in the Gods' domain!" the god shouted. "Well, maybe, but you gods tamper in the human domain all the time!" "That's... That's different!" "How?" "We are Gods! It's what we do!" "And we are human. Likewise." "I..." The god sighed. "Fair. But keep it quiet, okay?" 5479122 479
Reposted by Josh HopkinsSkot Armstrong @skot.bsky.social · 24/07/2026Los Angeles Public Library unveils the world’s largest pop-up book www.thisiscolossal.com/2026/07/dani... 341488334 1.5K
Josh Hopkins @spacejosh.bsky.social · 25/07/2026I would not have guessed that southeast Colorado had a fishing economy, but now I know. 000 0
Reposted by Josh HopkinsTed Stryk @tedstryk.bsky.social · 20/07/2026Today in 1976, 50 years ago, the Viking 1 lander touched down on Chryse Planitia, Mars, and became humanity's first long term outpost on another world (the Venera Venus landers lasted an hour or two, Viking 1 lasted over 6 years). 011030 110