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instrument

ROSALIND FRANKLIN (ROVER)

Target: Mars  
State: Planned

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state

Mission

Kind: Lunar lander

State: Successful

Place: Moon

Operator: OKB-1

Date

Start:

Duration: 3 days

Mission Ending

"Life's like a movie, write your own ending. Keep believing, keep pretending." - Jim Henson

Rocket

Rocket: Molniya 8K78

Kind: OKB-1

Manufacturer: OKB-1

Mass: 1,550 kilograms (3,420 lb)

Launch Site: Baikonur 31/6

Flyby

"Requesting permission for flyby." Maverick - Top Gun

Orbit

"You’re going very fast when you’re on orbit, going around the world once every hour and a half." - Robert Crippen

Lander

"The journey, not the arrival, matters; the voyage, not the landing." - Paul Theroux



Luna 8 (E-6 series), also known as Lunik 8, was a lunar space probe of the Luna program. It was launched in on 3 December 1965 with the objective of achieving a soft landing on the Moon, however, its retrorocket firing occurred too late, and suffered a hard impact on the lunar surface on the Oceanus Procellarum (Ocean of Storms). The mission did complete the experimental testing of its stellar-guidance system and the ground-control of its radio telemetry equipment, its flight trajectory, and its other instrumentation. This, the eleventh Soviet attempt to achieve a lunar soft landing, nearly succeeded. After a successful midcourse correction on 4 December, this spacecraft headed toward the Moon without any apparent problems. Just before the scheduled firing of its retrorocket, a command was sent to inflate cushioning air bags around the landing probe. However, a plastic mounting bracket apparently pierced one of the two air bags. The resulting ejection of the air put the spacecraft into a spin of about 12 degrees per second. The spacecraft momentarily regained its proper attitude, long enough for a nine-second-long retrorocket firing, but Luna 8 became unstable again. Without a retrorocket burn long enough to reduce its velocity sufficiently for a survivable landing, Luna 8 plummeted to the lunar surface and crashed at 21:51:30 UT on 6 December in the west of Oceanus Procellarum. The coordinates of the crash site are 9°06′N 63°18′W / 9.1°N 63.3°W / 9.1, -63.3.

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