Never quite sure what to call Uranus and Neptune; I think I have to say hydrogen atmospheres make them Jovians.
Obviously the bridges on Miranda aren't yet built, but the moon has some quite exciting cliffs. I had a feeling that they were on the same sort of height scale as Olympus Mons but vertical;
suggests only 14km, but that's still a vertical bungee jump equivalent to going from the top of Everest to the Pacific abyssal plane, and as they point out you'd get 30 minutes of free-fall on the way down [and only be travelling at 15 metres per second at the bottom, so the jerk is perfectly reasonable if I've got the figures right ... I think jerk is what makes bungee-jumps into Mariner Vallis a little dangerous]
This wasn't obvious to me. In a solar system with hurricanes the size of the Earth, geysers of boiling nitrogen, mind-boggling kidney-bean-shaped orbits and goodness knows what else, natural carbon-rod bridges strike me as fitting right in. :o)
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ewx
Re: A message from the Ice Giants Anti-Defamation League
Date: 2004-03-06 04:18 pm (UTC)Obviously the bridges on Miranda aren't yet built, but the moon has some quite exciting cliffs. I had a feeling that they were on the same sort of height scale as Olympus Mons but vertical;
http://www.lowell.edu/Public/startales/archive/20030111.html
suggests only 14km, but that's still a vertical bungee jump equivalent to going from the top of Everest to the Pacific abyssal plane, and as they point out you'd get 30 minutes of free-fall on the way down [and only be travelling at 15 metres per second at the bottom, so the jerk is perfectly reasonable if I've got the figures right ... I think jerk is what makes bungee-jumps into Mariner Vallis a little dangerous]
Re: A message from the Ice Giants Anti-Defamation League
Date: 2004-03-08 03:41 pm (UTC)This wasn't obvious to me. In a solar system with hurricanes the size of the Earth, geysers of boiling nitrogen, mind-boggling kidney-bean-shaped orbits and goodness knows what else, natural carbon-rod bridges strike me as fitting right in. :o)