1、A young Carl Sagan was one of the scientists hired by Reiffel for this project.
年轻的卡尔·萨根,是瑞菲尔为该计划雇佣的科学家之一。
2、Carl Sagan was an extremely successful scientist and university professor. He was also asuccessful writer.
卡尔.萨根不仅是一位非常成功的科学家和大学教授,他还是一位成功的作家。
3、Pictured here as a dot only 0.12 pixels in size, the Earth is, as described by Voyager contributorCarl Sagan, "...a lonely speck in the great enveloping cosmic dark.