A 45 degree half-angle sphere-cone is typically used for atmospheric probes (surface landing not intended) even though TPS mass is not minimized. Source: Internet
A few logistical problems emerged, including the lack of an available Centaur payload shroud of the correct configuration for the Mariner probes, however there was a shroud in NASA's inventory which could be modified. Source: Internet
A minor LOX leak froze some telemetry probes in AC-20 which registered as a drop in sustainer engine fuel pressure; however, the engine performed normally through powered flight. Source: Internet
Besides the experiments with the scientific instruments, the objectives of both the Mariner 1 and 2 probes included also engineering objectives: * Evaluation of the attitude control system. Source: Internet
Blood tests can also help identify the presence of infection: the erythrocyte sedimentation rate (ESR), the C-reactive protein (CRP) level, and chlamydial and gonococcal DNA probes. Source: Internet
Both probes will operate for one terrestrial year. Source: Internet