1982年1月1日

1分鐘閱讀

土星的衛星

環繞這顆行星的 17 個冰冷天體展現出驚人的地質演化範圍。它們中的許多都有超過 40 億年曆史的隕石坑，但其中一個的地面如此年輕，以至於看不到任何隕石坑

作者：勞倫斯·A·索德布洛姆和 託倫斯·V·約翰遜

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More by Laurence A. Soderblom

TORRENCE V. JOHNSON has an asteroid named after him: 2614 Torrence, a body about one kilometer in diameter. Working at the Jet Propulsion Laboratory in Pasadena, Calif., he has been the project scientist for Galileo since 1977--some three quarters of his career as a planetary scientist. He was a member of the imaging team for Voyager and is now on the imaging team for the Cassini mission to Saturn.

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大眾科學 Magazine Vol 246 Issue 1This article was originally published with the title “The Moons of Saturn” in 大眾科學 Magazine Vol. 246 No. 1 (), p. 100
doi:10.1038/scientificamerican0182-100
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