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Hi, HN!

It started as a simple website to show the latest photos from Mars by fetching data from NASA APIs, then progressed into APIs to demonstrate fun space updates (e.g. people in space, space flight table).

It soon evolved into an elementary demonstration of gravity in different celestial bodies (Earth, Moon, Mars, International Space Station for now), which I call 'gravity simulation'. Currently working on more accurate animations to simulate life on different planets. Hope you'll enjoy it!

Tech-stack: React for the web app, the simulator is CSS-only. I used Manim for making explanatory videos.

Disclaimer: just to make it clear, I'm not a physicist or an astronomer, just a space enthusiast. So, I'm sure there might be some inaccuracy in my animations. Would be more than happy if any one of you notice them and let me know.




I'm going to be critical and call out the name. There is absolutely no simulation going on here. This is an attempt at demonstrating qualitative behavior, at best. I put no blame on you for not approaching it from a physics standpoint, but it is misleading to call it a simulator in that case.


This does not resemble the way gravity works at all. The balls slow down well before they reach the ground and then suddenly jump up. It looks completely wrong to me.


I hope this is a joke




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