Pale Blue Dot: A Vision of the Human Future in Space

2015-06-03 分类：航空、航天

Pale Blue Dot:A Vision of the Human Future in Space

by: Carl Sagan

Publisher: Ballantine Books

Print length: 384

Publication date: 1997-09-08

ISBN-10: 0345376595

ISBN-13: 9780345376596

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