Random Astronomy Pictures OTD on Nostr: APOD from 2005-06-06 #Saturn: Dirty Rings and a Clean #Moon Enceladus' surface ice, ...
APOD from 2005-06-06
#Saturn: Dirty Rings and a Clean #Moon
Enceladus' surface ice, thought to be cleaner than Saturn's rings, shines brightly in a Cassini image. While both are mainly water ice, ring particles are darkened by dust, unlike Enceladus' clean appearance—possibly due to water volcanoes refreshing its surface.
HD image at
https://apod.nasa.gov/apod/ap050606.html 
Published at
2025-02-16 01:28:21Event JSON
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