Coding Challenge 144: 2D Black Hole Visualization

Inspired by the recent image of the Powehi m87 black hole from the Event Horizon Telescope, I visualize the behavior or light (photons) following the path of spacetime around the black hole in p5.js. Code: https://thecodingtrain.com/challenges/144-2d-black-hole-visualization p5.js Web Editor Sketches: 🕹️ Black Hole Visualization - Newtonian Granvitational Attraction: https://editor.p5js.org/codingtrain/sketches/2zZqSkxtj 🕹️ Black Hole Visualization - Code with Relativistic Corrections: https://editor.p5js.org/codingtrain/sketches/4DvaeH0Ur 🎥 Previous video: https://youtu.be/eqo2LxRADhU?list=PLRqwX-V7Uu6ZiZxtDDRCi6uhfTH4FilpH 🎥 Next video: https://youtu.be/TOEi6T2mtHo?list=PLRqwX-V7Uu6ZiZxtDDRCi6uhfTH4FilpH 🎥 All videos: https://www.youtube.com/playlist?list=PLRqwX-V7Uu6ZiZxtDDRCi6uhfTH4FilpH References: 📓 Simulating a Black Hole!: https://www.asc.ohio-state.edu/orban.14/stemcoding/blackhole.html 🖌 How to draw a Black Hole: http://rantonels.github.io/starless/ 📰 Astronomers Capture First Image of a Black Hole: https://eventhorizontelescope.org/ 📓 Image of a Spherical Black Hole with Thin Accretion Disk: http://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?1979A&A....75..228L Videos: 🎥 How to Understand the Image of a Black Hole: https://youtu.be/zUyH3XhpLTo 🎥 Slingshot with Gravity!: https://youtu.be/RkpulcVKLRw 🔴 Coding Train Live 176: https://youtu.be/tWyp2OWWcws?t=1192s Related Coding Challenges: 🚂 #7 Solar System (2D): https://youtu.be/l8SiJ-RmeHU 🚂 #8 Solar System (3D): https://youtu.be/dncudkelNxw Timestamps: 0:00 Introducing today's topic: a black hole visualization 3:25 The elements in the black hole visualization 5:06 The event horizon 6:35 The accretion disk 8:35 What happens when light is traveling towards a black hole? 9:43 The theory of relativity 12:03 Let's Code! 13:52 Make a black hole object 16:57 Draw the accretion disk 18:49 Draw an unstable photon orbit 20:22 Create a photon class 23:25 Add velocity to the photons 25:46 Apply Newtonian gravitational attraction 31:36 Add a trail to the photon 38:17 Corrections to the code 40:14 Add the angle of velocity for the photon 0:00 Conclusion and suggestions for variations Editing by Mathieu Blanchette Animations by Jason Heglund Music from Epidemic Sound 🚂 Website: http://thecodingtrain.com/ 👾 Share Your Creation! https://thecodingtrain.com/guides/passenger-showcase-guide 🚩 Suggest Topics: https://github.com/CodingTrain/Suggestion-Box 💡 GitHub: https://github.com/CodingTrain 💬 Discord: https://thecodingtrain.com/discord 💖 Membership: http://youtube.com/thecodingtrain/join 🛒 Store: https://standard.tv/codingtrain 🖋️ Twitter: https://twitter.com/thecodingtrain 📸 Instagram: https://www.instagram.com/the.coding.train/ 🎥 Coding Challenges: https://www.youtube.com/playlist?list=PLRqwX-V7Uu6ZiZxtDDRCi6uhfTH4FilpH 🎥 Intro to Programming: https://www.youtube.com/playlist?list=PLRqwX-V7Uu6Zy51Q-x9tMWIv9cueOFTFA 🔗 p5.js: https://p5js.org 🔗 p5.js Web Editor: https://editor.p5js.org/ 🔗 Processing: https://processing.org 📄 Code of Conduct: https://github.com/CodingTrain/Code-of-Conduct This description was auto-generated. If you see a problem, please open an issue: https://github.com/CodingTrain/thecodingtrain.com/issues/new #blackholevisualization #eventhorizon #accretiondisk #javascript #p5js