- twitter.com sitnikcode/status/1566773215678140417— Schema from Kepler calculations of Mars orbit (it is not ideal circle) https://keplersdiscovery.com/notACircle.html.
- twitter.com sitnikcode/status/1566773183516131334— Schema from Kepler calculations of Mars orbit (it is not ideal circle) https://keplersdiscovery.com/notACircle.html.