Luna 7

related topics
{ship, engine, design}
{math, energy, light}
{line, north, south}

Luna 7 (E-6 series) was an unmanned space mission of the Soviet Luna program, also called Lunik 7. The Luna 7 spacecraft was intended to achieve a soft landing on the Moon. However, due to premature retrofire and cutoff of the retrorockets, the spacecraft impacted the lunar surface in Oceanus Procellarum.

Unlike its predecessors, Luna 7 successfully carried out its midcourse correction on October 5 on the way to the Moon, in anticipation of a soft-landing two days later. Unfortunately, immediately prior to planned retro-fire during the approach to the lunar surface, the spacecraft suddenly lost attitude control and failed to regain it. Automatic programmed systems then prevented the main engine from firing. As controllers observed helplessly, Luna 7 plummeted to the lunar surface at a very high speed, crashing at 22:08:24 UT on October 7, 1965, west of the Kepler crater, relatively near the actual intended target. Impact coordinates were 9°N 49°W / 9°N 49°W / 9; -49. Later investigation indicated that the optical sensor of the astronavigation system had been set at the wrong angle and had lost sight of Earth during the critical attitude-control maneuver. It was the tenth consecutive failure in the Ye-6 program.

External links


Full article ▸

related documents
HMS Scorpion (1863)
Swiftsure class submarine
Light bomber
John A. Dahlgren
Shooting
M110 howitzer
George Cayley
Searchlight
Arcjet rocket
Surveyor 4
Louis Gathmann
Pulsed plasma thruster
Flight instruments
Luna programme
Luna 23
Plug nozzle
Armored car (military)
Supermarine
RV Triton
Juliett class submarine
USS Winston S. Churchill (DDG-81)
Luna 20
Variable Specific Impulse Magnetoplasma Rocket
Surcouf (F711)
Small arms
Gossamer Albatross
Fenian Ram
Hawker Siddeley Harrier
German submarine U-862
German submarine U-464