A sectional side and edge view. The principles of mechanics as applied to the solar system. 1889.
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@historysurvivalguide
A sectional side and edge view. The principles of mechanics as applied to the solar system. 1889.
Internet Archive

Anya is live and ready to show you everything. Watch her strip, dance, and perform exclusive shows just for you. Interact in real-time and make your fantasies come true.
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Summer Reading Challenge by Scientific American 📕 🔬
"The first-ever Scientific American Summer Reading Challenge begins on June 1 and ends on August 31. We challenge you to read along with the staff and check off boxes on the bingo card below"
Fill your bingo card with fascinating science stories, discoveries and ideas all summer long for a chance to win prizes
If you need some inspirations, I have collected a list of my personal favorite science and science history books into a reading list based on topic
History of Astronomy and Space
History of Physics
History of Medicine
History of Mathematics
History of Biology, Chemistry, and Genetics
History of the Natural World
History of Scientific Ethics (or Lack Thereof)
I could not find an example for 7 (an author whose initials are in the periodic table), so I'd be curious to know what other folks found
the rainbow is a well-known symbol of gay pride that originated in the late 1970s in san francisco, when the gay community promised to never again destroy the earth by flood
Astronomy Inspired Design in Media: Part 26
Wish (2023)
Watching this movie in theaters for the first time I was so distracted by this strangely accurate and oddly familiar astronomical diagram in the first two minutes of the film I missed the movie’s exposition and spent the entire rest of the time playing catch up
A lot of the magic in this movie is shown with beautiful esoteric diagrams reminiscent of an old style of illuminated manuscripts.
Appears to be an illustrated diagram to explain how the phases of moon or eclipses can occur. A beautiful diagram from the late 13th or earl
They even use a simple orrey and armillary sphere to fill out the set when the characters enter the tower for the first time
The music was probably the weakest part of the movie despite the overall good cast. If you want some good classic Disney music, I was sent this song “Snuff out the Light”. It is Eartha Kitt, her masterful self, as Yzma with her villain song that was never used in the eventual movie
Summer Reading Challenge by Scientific American 📕 🔬
"The first-ever Scientific American Summer Reading Challenge begins on June 1 and ends on August 31. We challenge you to read along with the staff and check off boxes on the bingo card below"
Fill your bingo card with fascinating science stories, discoveries and ideas all summer long for a chance to win prizes
If you need some inspirations, I have collected a list of my personal favorite science and science history books into a reading list based on topic
History of Astronomy and Space
History of Physics
History of Medicine
History of Mathematics
History of Biology, Chemistry, and Genetics
History of the Natural World
History of Scientific Ethics (or Lack Thereof)

Anya is live and ready to show you everything. Watch her strip, dance, and perform exclusive shows just for you. Interact in real-time and make your fantasies come true.
Free to watch • No registration required • HD streaming
Chronicler: Worldbuilding Wiki Software
Found my new favorite tool for organizing concepts for projects
The free, offline worldbuilding tool and local wiki for D&D campaigns and novel writing. No subscriptions, no cloud, no SaaS. Built by and f
It is a free software that works a lot like Wikipedia, by letting you organizing ideas into pages and cross-referencing them. It was designed for D&D and world building for novels but is surprisingly flexible
The nice part is that all the data is stored on your own machine so it is private
“They say that he who would be its master must, little by little, inevitably become its slave”
- Lucifer (from da Bible) talking about learning science in the chemistry book I’m reading
The Hardest Soviet Mission in History: The all too short life of Sputnik 1 and the Soviet team that fought to bring it to life
Ever wonder what Sputnik was doing in space?
The new video I researched and co-wrote with the Hoog team is up. It is all about Sputnik! It wasn’t actually called Sputnik, since that would be calling it “satellite”, so its official name is Sputnik-1
It was the first artificial satellite and began the dawn of the Space Age in 1957, more than a decade before humanity landed on the moon 🛰️ 🚀
Sputnik is a good story with a lot of colorful characters. However, in my research I was annoyed how often its launch was framed as an American failure rather than a Russian success. So this story focuses on the Russian side of things
The best nuggets of research came from this delightfully janky website and also this enormous tome of a book which focuses on Russian history:
It is also free on NASA’s website!
Medieval inspired art I made for a wine label contest celebrating the upcoming NASA Dragonfly mission
Found this surprisingly excellent and simple breakdown about how shadows on the moon appear different in different hemispheres
(The comic in question is Oddity Woods by Kay Davault)
It’s a bit hard to imagine but depending on your hemisphere you can literally be upside in perspective. This can create all sorts of weird behaviors with the sun (and defined what we mean when we say clockwise)
But it’s the same with the moon! It makes working in the southern hemisphere a huge headache, mathematically speaking

Anya is live and ready to show you everything. Watch her strip, dance, and perform exclusive shows just for you. Interact in real-time and make your fantasies come true.
Free to watch • No registration required • HD streaming
Astronomy Picture of the Day: Waves on Titan 🌊 🪐
Today’s image is actually a video which shows what simulated waves on Titan look like compared to Earth
A different astronomy and space science related image is featured each day, along with a brief explanation.
This website is one of the oldest I know of that is still being updated, having started in June of 1995
Astronomy Inspired Design in Media: Part 25
Warframe (2025)
Warframe has been running for over a decade now, but this is specifically from the "The Old Peace" release
It is commonly known as the "ninjas-in-space" game, but I have always been fond of its extremely weird and very busy art style. This particular part of the trailer caught my attention. It shows a moving ceiling with a clear astronomy-based design
Very beautiful, but also, very clearly inspired by astrolabes (which appears to be a common source of inspiration). You can compare it to this 1558 astrolabe (in Latin)
At some point I think this series should just be "astrolabe inspired design"
Knowledge Wins - Public Library Books are Free, American Library Association (1918)
Poem Corner
The Hangman written by Maurice Ogden
Into our town the Hangman came,
Smelling of gold and blood and flame-
And he paced our bricks with a different air
And built his frame on the courthouse square.
The scaffold stood by the courthouse side,
Only as wide as the door was wide;
A frame as tall, or little more,
Than capping still of the courthouse door.
And we wondered, whenever we had the time,
Who the criminal, what the crime,
The Hangman judged with the yellow twist,
Of knotted hemp in his busy fist.
And innocent though we were, with dread
We passed those eyes of buckshot lead;
Till one cried: “Hangman, who is he,
For whom you raise the gallows-tree?”
A Popular History of Science by Robert Routledge (1881)
Fig. 196 -- Foucault’s Pendulum Experiment

Anya is live and ready to show you everything. Watch her strip, dance, and perform exclusive shows just for you. Interact in real-time and make your fantasies come true.
Free to watch • No registration required • HD streaming
A Popular History of Science by Robert Routledge (1881)
Fig. 77 -- The Magdeburg Experiment on the Large Scale
So, How to Build an Astrolabe: Part Seven
The previous parts have covered the front limb and latitude plate. Unlike the latitude plate, the main body of the astrolabe (the mater) is the same across all astrolabe
The various rings on the back of the plate determine the altitude and calendars (civil and zodiac)
This is a step-by-step guide to the complete construction of an astrolabe that I think might exist. At least, in any accessible form
This week, build an astrolabe’s various calendars engraved on the back of the astrolabe Mater: Back Plate The back of the astrolabe is whe
As always, my goal is for this to be as accessible as possible for any kind of reader, so if there are any questions, please feel free to reach out
🏳️🌈🚀 Enjoy! Stay safe and keep learning, fellow chrononauts 🚀🏳️⚧️