| Answer | Crossword Clue |
|---|---|
| GALILEO | Spacecraft to Jupiter |
| GALILEO | First spacecraft to orbit Jupiter |
| PIONEER | .. 10 (first spacecraft to observe Jupiter) |
| GALILEO | Jupiter spacecraft |
| VOYAGER | First spacecraft to reach Uranus and Neptune |
| ORION | NASA spacecraft designed for travel to Mars |
| EROS | First asteroid to be landed on by a spacecraft |
| LUNA | ... 9, first spacecraft to land softly on the moon |
