Sphere +3 Outer (or the Solar System)

Breaking through Sphere +2 and going beyond the Moon sending probes to the planets, starting with Mars, is something that not even Jules Verne imagined or wrote about. Instead, the proof that reality always beats imagination was already contained in the programmes and capabilities of the very first generation of space explorers, from Korolyov with his Soviet school, to that of von Braun and Carl Sagan at NASA.