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Solar System Exploration
Explorer 35
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Explorer 35
Explorer 35 Mission to Earth's Moon

Goals: Explorer 35 was a small spacecraft designed to study interplanetary space phenomena near the Moon.

Accomplishments: In particular, Explorer 35 studied the solar wind, the interplanetary magnetic field, dust distribution near the Moon, the lunar gravitational field, the weak lunar ionosphere and the radiation environment. It found that the Moon has no magnetosphere, enabling the charged particles of the solar wind to hit the lunar surface.

Key Dates
19 Jul 1967:  Launch (14:19:02 UT)
24 Jun 1973:  Spacecraft Shutdown
Status: Successful
Fast Facts
Explorer 35 Facts Explorer 35 was launched on the 50th Thor-Delta booster (right), a highly successful launch vehicle of the era.

The spacecraft found the Moon creates a cavity in the solar wind.

The spacecraft was shut down after six years of successful operation.
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Last Updated: 31 Mar 2011