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A voyage to see how star patterns change over millions of years is followed by a journey to the planets of other stars, and a look at the possibility of time travel.
This takes us to Italy, where a young Albert Einstein first wondered what it would be like to ride on a beam of light.
First Air Date : Sep 28, 1980
Last Air date : Dec 21, 1980
Episode : 13 Episode
Season : 1 Season
Runtime: 60:14 minutes
Studio: PBS
Country: United Kingdom, United States of America
Cast: Carl Sagan