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| | Luna Mission Summaries |
 | | Luna 3, an automatic interplanetary station, was equipped with radio communication and telemetering systems, a television system with an automatic film processing unit, a set of scientific instruments, systems for orientation relative to the sun and moon, solar cells for electric power supply, and a temperature control system. |
 | | Luna 20 was launched from the lunar surface on February 22, 1972, and landed in the Soviet Union on February 25, 1972. |
 | | The Luna 20 drill was a thin-walled tube carrying helical threads on its outside surface and a crown on sharp teeth at its cutting end. |
| astro.if.ufrgs.br /solar/lunall.htm (2492 words) |
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