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(07-26-2015, 04:05 AM)Bear Wrote: [ -> ]
(07-16-2015, 10:10 PM)Cray Wrote: [ -> ]Interesting: for all the tumultuous terrain, there's not a lot of craters on Pluto or Charon. Those are very young surfaces.

If you say so. I had been wondering what the incidence of cratering per millennium way the heck out there was and thinking that our inner-system standards for judging age by craters might not be accurate.

The moons of Uranus and Neptune are all very cratered, save for those geologically active (like Triton).
The moons of Uranus are all heavily cratered, moons of Neptune apart from Triton too. Besides, during final phases of accretion, the body would get showered by impacting material so it would be saturated with craters regardless of regular cratering density. So yes, this is a young surface.
[Image: colorized_wright_mons_cropped.png]

Speculations going around about cryovolcanoes on Pluto. If it is a volcano, it's a really big one to be sure.
Fucking beautiful. Venture on, noble sentinel, venture on...
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