2016年5月2日 星期一

The Dew Drop of Saturn


The water-world Enceladus appears here to sit atop Saturn's rings like a drop of dew upon a leaf. Even though it appears like a tiny drop before the might of the giant Saturn, Enceladus reminds us that even small worlds hold mysteries and wonders to be explored. via NASA http://ift.tt/1SGdNb7

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