First released: 1958
About
- 1.Introduction / Sputnik #1 / Doppler Effect; Information Derived From It
- 2.Description of Sputnik #1 & #2 / Laika's Heart
- 3.Sputnik #1 Alone
- 4.Sputnik #1 Showing Doppler Effect
- 5.Sputnik #3
- 6.Laika's Heart
- 7.Explorer #1 / Telemetering Signals
- 8.Explorer #2 Goes a Ride
- 9.Vanguard (Third Attempt)
- 10.Explorer #3
- 11.Vanguard (Second Attempt)
- 12.Modulation From Explorer #1
- 13.Explorer #3
- 14.Explorer #4