On a ring origin of the equatorial ridge of Iapetus |
On a ring origin of the equatorial ridge of Iapetus |
Guest_AlexBlackwell_* |
![]()
Post
#1
|
Guests ![]() |
Wing Ip just had an interesting Iapetus-related paper published in GRL.
|
|
|
![]() |
![]()
Post
#2
|
|
![]() Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 3516 Joined: 4-November 05 From: North Wales Member No.: 542 ![]() |
Is this the one? http://photojournal.jpl.nasa.gov/jpegMod/PIA07778_modest.jpg
|
|
|
![]()
Post
#3
|
|
![]() Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 3648 Joined: 1-October 05 From: Croatia Member No.: 523 ![]() |
Iapetus is undeniably oblate, but the question is is it enough. I suspect another factor determining how fast and efficient the flattening of the rings would be is the orbital period and speed. I calculate an exactly 3 hour orbital period for the lowest possible orbit. Is the tendency to flatten the rings greater than the tendency to disperse them by various factors, such as Saturn perturbations and light pressure effects, etc. That seems to be the principal question.
Tasp, try this. -------------------- |
|
|
![]() ![]() |
![]() |
Lo-Fi Version | Time is now: 31st May 2024 - 08:20 AM |
RULES AND GUIDELINES Please read the Forum Rules and Guidelines before posting. IMAGE COPYRIGHT |
OPINIONS AND MODERATION Opinions expressed on UnmannedSpaceflight.com are those of the individual posters and do not necessarily reflect the opinions of UnmannedSpaceflight.com or The Planetary Society. The all-volunteer UnmannedSpaceflight.com moderation team is wholly independent of The Planetary Society. The Planetary Society has no influence over decisions made by the UnmannedSpaceflight.com moderators. |
SUPPORT THE FORUM Unmannedspaceflight.com is funded by the Planetary Society. Please consider supporting our work and many other projects by donating to the Society or becoming a member. |
![]() |