Rev 127 - Feb 22-Mar 12, 2010 - Rhea R2 and Helene, Also distant Iapetus |
Rev 127 - Feb 22-Mar 12, 2010 - Rhea R2 and Helene, Also distant Iapetus |
Feb 20 2010, 04:29 AM
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Administrator Group: Admin Posts: 5172 Joined: 4-August 05 From: Pasadena, CA, USA, Earth Member No.: 454 |
Holy moly are these back-to-back flybys of Rhea and Helene going to ROCK!!!! Jason's Rev 127 looking ahead article has all the details. Wispy terrain high-res mosaic -- close look at putative impact sites of former ring particles -- MIMI attempt to confirm presence of Rhea ring -- Imaging of pretty much all of Helene using Saturnshine to illuminate sub-Saturn hemisphere on approach, sunshine on anti-Saturn hemisphere on departure -- departure shots will be against Saturn as a backdrop -- C/A shots will use skeet shoot technique derived for Encelauds -- etc. etc. --
I can't wait!! Thanks Jason for the preview!!! -------------------- My website - My Patreon - @elakdawalla on Twitter - Please support unmannedspaceflight.com by donating here.
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Feb 25 2010, 06:31 PM
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Member Group: Members Posts: 207 Joined: 6-March 07 From: houston, texas Member No.: 1828 |
here are some nice perspective views of Rhea, target of the 100km pass next week.
they are based on stereo imaging of these regions acquired back in 2008. The first shows the western half of the 6 km deep and 370 km wide Tirawa impact basin. The second shows the now infamous blue equatorial streaks attributed to impact of Rhea's ring on to the surface. The frames are from two Rhea flyover videos (too large to upload here) now on youtube (www.youtube.com/galsat400). The Blue Streak movie shows one of these streaks lying across the top of a battered topographic ridge, a common occurrence for these features consistent with a ring origin. The paper describing these and the other Saturn ice moon color features has now been submitted for publication! more details at http://stereomoons.blogspot.com and http://www.youtube.com/galsat400 -------------------- Dr. Paul Schenk, Lunar and Planetary Institute, Houston TX
http://stereomoons.blogspot.com; http://www.youtube.com/galsat400; http://www.lpi.usra.edu/science/schenk/ |
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