Source information (without animation/links):<p><a href="https://en.wikipedia.org/wiki/File:Comparison_satellite_navigation_orbits.svg" rel="nofollow">https://en.wikipedia.org/wiki/File:Comparison_satellite_navi...</a><p>Previously submitted by another HN'er (in 2016):<p><a href="https://news.ycombinator.com/item?id=12863340" rel="nofollow">https://news.ycombinator.com/item?id=12863340</a>