The smaller outer Jovians are sadly neglected as tourist destinations; Uranus has undergone twenty years of opproprium simply from having a weather cycle which happened to be set to "no weather" when Voyager flew past.
In both smaller Jovians, it would not take an unreasonable nuclear-heated hydrogen aerostat to hover in a region with Earth gravity and Earth-reasonable temperatures (though I lack the physics to work out how unreasonable the pressure is), with cloud views to make the views from Terran aircraft pale into insignificance.
The turbulence in Neptune's mach-four jet stream makes visits there a must for the truly serious thrill-seeker; then how about a trip to the liquid-nitrogen geysers of Triton to recover, before some low-gravity bungee jumping from the flimsy-looking (but perfectly safe!) carbon-rod bridges over the twenty-kilometre deep canyons of Uranus's oft-shattered moon Miranda.
(I find it strange that you use the term "Jovian" when your subject header acknowledges the fact the ice giants are different to the gas giants.) Anyhow, I know about the geysers on Triton, but what's this about carbon-rod bridges on Miranda? (Googling doesn't seem to be much use, SEDS (http://www.seds.org) is down following a hacker attack, and http://lasco2.mpae.gwdg.de/solar/homepage.htm (http://lasco2.mpae.gwdg.de/solar/homepage.htm) refuses me connection, though as it's several years since I last looked at it, it might no longer exist.)
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
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Date: 2004-03-06 08:39 am (UTC)A message from the Ice Giants Anti-Defamation League
Date: 2004-03-06 10:03 am (UTC)In both smaller Jovians, it would not take an unreasonable nuclear-heated hydrogen aerostat to hover in a region with Earth gravity and Earth-reasonable temperatures (though I lack the physics to work out how unreasonable the pressure is), with cloud views to make the views from Terran aircraft pale into insignificance.
The turbulence in Neptune's mach-four jet stream makes visits there a must for the truly serious thrill-seeker; then how about a trip to the liquid-nitrogen geysers of Triton to recover, before some low-gravity bungee jumping from the flimsy-looking (but perfectly safe!) carbon-rod bridges over the twenty-kilometre deep canyons of Uranus's oft-shattered moon Miranda.
Re: A message from the Ice Giants Anti-Defamation League
Date: 2004-03-06 03:46 pm (UTC)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)