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'Pac-Man' in Saturn moon Tethys is a repeat performance (bbc.co.uk)
2 points by Zenst on Nov 27, 2012 | hide | past | favorite | 1 comment



A report in Icarus suggests the effect is due to high-energy electrons bombarding the sides of the moons that face their direction of orbital travel.

It's so cool to see macroeffects of subatomic particles.




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