* Astronomy

Silent Running is a 1972 environmentally themed science fiction film starring Bruce Dern and directed by Douglas Trumbull, who had previously worked as a special effects supervisor on such science fiction films as 2001: A Space Odyssey and The Andromeda Strain.
Silent Running depicts a future in which all plant life on Earth has been made extinct. Only a few specimens have been preserved in enormous, greenhouse-like geodesic domes attached to a fleet of American Airlines space freighters, just outside the orbit of Saturn.
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