Pale Blue Dot: A Vision of the Human Future in Space (1994) is a non-fiction book by Carl Sagan.It is the sequel to Cosmos: A Personal Voyage and was inspired by the "Pale Blue Dot" photograph, for which Sagan provides a sobering description.In this book, Sagan mixes philosophy about the human place in the universe with a description of the current knowledge about the Solar System. Carl Sagan – Pale Blue Dot Audio Book Download. Download it once and read it on your Kindle device, PC, phones or tablets. The picture, he said, would show us "our place in the universe". This excerpt from Sagan's book Pale Blue Dot was inspired by an image taken, at Sagan's suggestion, by Voyager 1 on February 14, 1990. What is the Pale Blue Dot? By so doing we don’t have all our eggs in one bracket and also have diversity if there is a tragedy to our Planet, planetary system, our local habitable star system or galaxy. Ballantine Books Edition, September 1997 ISBN: 0-345-37659-5 Scanned: December, 2000 V.1.0 Formatted for viewing in Word 97 CARL SAGAN PALE BLUE DOT As the spacecraft left our planetary neighborhood for the fringes of the solar system, engineers turned it around for one last look at its home planet. Pale Blue Dot: a Vision of the Human Future in Space by Carl Sagan, 9780345376596, available at Book Depository with free delivery worldwide. Pale Blue Dot: A Vision of the Human Future in Space - Kindle edition by Sagan, Carl, Druyan, Ann. Use features like bookmarks, note taking and highlighting while reading Pale Blue Dot: A Vision of the Human Future in Space. The Pale Blue Dot photo was taken at the request of Carl Sagan who convinced NASA that the photo was worth the cost even if it had no scientific value. The Pale Blue Dot is an iconic photograph of Earth taken on Feb. 14, 1990, by NASA’s Voyager 1 spacecraft.. Voyager 1 was speeding out of the solar system — beyond Neptune and about 3.7 billion miles (6 billion kilometers) from the Sun — when mission managers commanded it to look back toward home for a final time.