Rob Durham | Flat Earth - Heliocentric Model Examined Geometrically Part 1 @Neomagik99 | Uploaded July 2016 | Updated October 2024, 1 hour ago.
NASA Ephemeris web interface ssd.jpl.nasa.gov/horizons.cgi#top

NASA Earth data nssdc.gsfc.nasa.gov/planetary/factsheet/earthfact.html

Opening Animation svs.gsfc.nasa.gov/4424