SP is 3 km (1.86 miles) below surrounding terrain
1,300 x 900 km (808 x 560 miles) ellipse See a clear rim Do not see clear secondaries (perhaps erased by glaciers) No clear rings, but the mountains sort of line up where you expect rings Lack of rings/secondaries is reminiscent of Hellas, Mars There is a 1 km (0.6 miles) thick ejecta "collar" around SP! |
the_small_satellites_of_pluto_as_observed_by_new_horizons1604.05366.pdf | |
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