Galileo Makes Closest Pass to Jupiter’s Moon Europa

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Article abstract: After a six-year journey through interplanetary space, the unmanned spacecraft Galileo passed within 370 miles of Jupiter’s moon Europa, revealing an ice-enshrouded world whose surface characteristics suggest an underlying planetary ocean that may harbor extraterrestrial life.

Planetary Exploration

Following the successes of the Apollo manned lunar lander missions (1969-1972), the Skylab orbital space station (1973-1979), and the manned space shuttle program (beginning 1981), the National Aeronautics and Space Administration (NASA)...

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