Interactive Map you can drag a country to Mars/Moon/Jupiter

About

I made a drag-and-drop playground: pick a country, drop it onto Mars/Moon/Jupiter, and see how large it looks there. Demo: https://www.runcell.dev/tool/true-size-map Open source: https://github.com/ObservedObserver/world-map-reality; happy to take feedback / PRs.

Discovery history

1. Show HN

   Jan 5, 2026 · 1 observations

2. 阮一峰周刊·用户投稿

   Jan 14, 2026 · 1 observations