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Doings at Saturn
Sep. 24th, 2005 10:35 pmOn the flybys of Tethys and Hyperion. The Tethys flyby should be over already but the pictures aren't back yet. I'm particularly looking forward to Hyperion.
By the way, I should correct what I said in my discussion of the rotation of Saturn's ring particles. I'd interpreted the rather vague and inconsistent press release to be saying the particles had to be rotating more slowly than once an orbit around Saturn. I've read other stuff since then that suggests that that was an incorrect interpretation; actually it was just found that they were not rotating much faster than once an orbit. It sounds as if the result is actually consistent with the particles being tidally locked.
By the way, I should correct what I said in my discussion of the rotation of Saturn's ring particles. I'd interpreted the rather vague and inconsistent press release to be saying the particles had to be rotating more slowly than once an orbit around Saturn. I've read other stuff since then that suggests that that was an incorrect interpretation; actually it was just found that they were not rotating much faster than once an orbit. It sounds as if the result is actually consistent with the particles being tidally locked.