[{"element_type":"image_url","content":"https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Fimages.fineartamerica.com%2Fimages%2Fartworkimages%2Fmediumlarge%2F3%2Fgemini-8-first-docking-douglas-castleman.jpg\u0026amp;f=1\u0026amp;nofb=1\u0026amp;ipt=8c36e443afd7c80df938c897c4ff2f1abe740cdcf46ee920ab9cef808eff26bb\u0026amp;ipo=images","metadata":{"alt":"Gemini 8 First Docking Painting by Douglas Castle","caption":"Gemini 8 First Docking Painting by Douglas Castle"}},{"element_type":"text","content":"\u003cp\u003eOrbital Mechanics on the Circuit Playground -\u003ca href=\"https://github.com/mrklingon/DrAldrin\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e github repository\u003c/a\u003e\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cp\u003eBuzz Aldrin isn't\u003cem\u003e just\u003c/em\u003e the second man on the moon. He's also \"Dr. Aldrin\" - or \"Doctor Rendevous\" with a doctorate from MIT as he literally wrote the book on orbital rendevous.\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cp\u003eThis very simple program lets you practice orbital rendevous manuevers on a Circuit Playground Express - with the neopixels showing you your ship and a space station  you need to meet.\u003c/p\u003e\u003cul\u003e\u003cli\u003eDrAldrin.js MakeCode version (also at \u003ca href=\"https://makecode.com/_iRe1XehdvVHu\"\u003e\u003cu\u003ehttps://makecode.com/_iRe1XehdvVHu\u003c/u\u003e\u003c/a\u003e)\u003c/li\u003e\u003cli\u003eDrAldrin.py - CircuitPython version, copy to code.py on CPX\u003c/li\u003e\u003cli\u003ebach.py - music routines, copy to CPX\u003cp\u003eSimple \"orbital rendevout\" program. Orbital level defined by colors (red, orange, yellow, green, blue, indigo, violet) with the lowest (and fastest) at red. Boost to higher orbit pushing button A, and lower orbit pushing button B.\u003c/p\u003e\u003c/li\u003e\u003c/ul\u003e\u003cp\u003eGoal is to match with your spaceship (fast moving red pixel) with the space station which is at the higher (and slower) orbit. Best approach is to raise your ship above the station, and let the station catch up with you. Success triggers music and flashing lights.\u003c/p\u003e\u003cp\u003eRestart by pressing A+B together.\u003c/p\u003e","metadata":{}}]