Iapetus Encounter In January |
Iapetus Encounter In January |
Nov 29 2004, 04:38 PM
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Member Group: Members Posts: 154 Joined: 8-June 04 Member No.: 80 |
I heard about a peak on Iapetus that may be taller than Olympus Mons on Mars. I was wondering if the RADAR instrument will be used in the January encounter to verify this. What is the maximum distance the RADAR can be used?
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Dec 27 2004, 05:08 PM
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Senior Member Group: Moderator Posts: 3233 Joined: 11-February 04 From: Tucson, AZ Member No.: 23 |
QUOTE (alan @ Dec 27 2004, 08:18 AM) Crazy idea: Iapetus was a larger differentiated object: dark outside, light inside; which was shattered by an impact. A large fragment, about one third of the original, was folded together by gravity into a spherical shape with the result looking similar to a baseball. This was later captured by Saturn. The problem with that is that the bright dark/boundary, on Iapetus, is diffuse. On the dark side, you have bright crater rims and central peaks. On the bright side, you have dark crater floors. Many of the areas on the dark side near the boundary look "frosted" by bright material. -------------------- &@^^!% Jim! I'm a geologist, not a physicist!
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