Sezon 5
Bölümler
1 Storms in the Sun 30 Oca 1961 2 Life on Mars 20 Mar 1961 3 Life on the Moon? 24 Nis 1961 4 Venus 15 May 1961 5 Radio Astronomy and the Amateur 5 Haz 1961 6 Cosmic Debris 10 Tem 1961 7 Saturn Live? 21 Ağu 1961 8 Astronomy in Space 18 Eyl 1961 9 Has the Earth Three Moons? 30 Eki 1961 10 How Many Stars in the Pleiades? 22 Kas 1961 11 A Telescope for Christmas 20 Ara 1961