• 6 DVDs

• 5 Exploration
• 4 Astronomy
• 3 Stars
• 2 Big bang theory
• 2 Clusters
• 2 Comets
• 2 Meteors
• 2 Planetary rings
• 2 Planets
• 2 Supernovae
• 1 Asterisms (Astronomy)
• 1 Atmospheres
• 1 Constellations
• 1 Dark matter (Astronomy)
• 1 End of the universe
• 1 Evolution
• 1 Exobiology
• 1 Expanding universe
• 1 Extraterrestrial beings
• 1 Force and energy
• 1 Gases
• 1 Globular clusters
• 1 Gravity
• 1 Inner planets

• 10 Flight 33 Productions (Firm)
• 5 Arts and Entertainment Network
• 5 History (Television network)
• 5 New Video Group
• 4 Cohen, Douglas J
• 4 Dolan, Samuel K
• 3 Rehr, Darryl
• 3 Tarantino, Louis C
• 2 A & E Home Video (Firm)
• 2 Amdahl, Eric
• 2 Beemer, Rob
• 2 Cohen, Douglas
• 2 Forde, Rebecca Graham
• 2 Georgalis, Savas
• 2 History Channel (Television network)
• 2 Kosa, Frank
• 2 Verklan, Laura M
• 1 Azzariti, Annie
• 1 Berkemeier, Sven
• 1 Campbell, Colin
• 1 Coffee, Jason
• 1 Drooker, Arthur
• 1 Ellis, Luke
• 1 Greenewald, John, Jr

• 11 English

• 5 Outer space
• 3 Milky Way
• 2 Saturn (Planet)
• 1 Deep space
• 1 Jupiter (Planet)
• 1 Moon
• 1 Sun
• 1 Universe

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