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Solar System Exploration
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Ye-1/3 Mission to Earth's Moon

Goals: This was another Soviet attempt to crash a probe into the Moon. It carried sensors to mission to study interplanetary matter, cosmic radiation, magnetic fields of the Moon and cosmic ray intensity.

Accomplishments: None. A loss of thrust 245 seconds after launch led to a premature engine shutdown and the spacecraft did not have enough momentum to escape Earth's gravity.

Key Dates
4 Dec 1958:  Launch (18:18:44 UT)
Status: Unsuccessful
Fast Facts
Ye-1/3 Facts All seven Moon launches by the U.S. and USSR in 1958 were unsuccessful.

Soviet scientists gained an edge in the space race in 1959 with two successful launches and two missions considered a parital success.

The U.S. only launched two interplanetary probes in 1959.
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Last Updated: 2 Dec 2010