Dec 23

Space Rocket History #142 – Venera 4

“It seemed that the nearby and mysterious planet was resorting to tricks to hide the secrets kept beneath its cover of clouds. As the probe drew nearer, Venus’ gravitational field increased its speed. The Doppler effect altered the wavelength of the signals received on Earth. The radio operators needed to be particularly vigilant so that the information sent from the station consistently landed in the narrow “throat” of the ground-based receivers.”  Boris Chertok

Venera 4. AKA Venus 4

Venera 4. AKA Venus 4

Venera 4 in Flight Config.

Venera 4 in Flight Config.

Venera 4 Capsule

Venera 4 Capsule on Display

Oct 31

Space Rocket History #36 – Mariner 2 and Relay 1

During the summer of 1962 final preparations were underway for the first U.S. attempt to reach another planet.  The planet was Venus, Earth’s closest planetary neighbor.  This first flight would be accomplished by the JPL built Mariner 2 spacecraft…

Diagram_of_Mariner_1_or_2_with_Atlas-Angena_launch_vehicle

Diagram of Mariner

Mainer 2 Launch

Mainer 2 Launch

Mariner 2

Mariner 2

Rose Parade Float

Rose Parade Float

space rocket history pic34

By Dave

Relay 1

Relay 1