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What's a bit more disappointing is how little we know about the "ice giants". Both Uranus and Neptune have been visited only by Voyager 2.
by jccooper 11y ago
What's a bit more disappointing is how little we know about the "ice giants". Both Uranus and Neptune have been visited only by Voyager 2.
- MrZongle2 11y agoAnd between them they have over 40 moons; some likely unremarkable rocks but others with observed or theorized geological activity, trace atmospheres, and unusual orbits and who knows what else.
- prewett 11y agoI keep hoping for a Cassini-like mission to Uranus and/or Neptune, but so far, no luck.
- jessriedel 11y agoNeptune is about 3 times further away than Saturn, and I believe Jupiter won't be in position for a good gravitational boost to get there for many decades. It's possible, but very very expensive.