• 23 Books
• 3 Photos, Drawings, Prints
• 1 Videos, Slides, Films

• 9 Satellites
• 6 Jupiter probes
• 5 Observations
• 2 Saturn probes
• 1 Antennas (Electronics)
• 1 Ground support systems (Astronautics)
• 1 Study and teaching

• 22 Jet Propulsion Laboratory (U.S.)
• 1 Jet Propulsion Laboratory (U.S.). Office of Educational Services

• 27 English

• 18 Jupiter (Planet)
• 4 Saturn (Planet)
• 2 Uranus (Planet)

• 13 Photographs from space
• 2 Observations

Limit year range