Tethys - A New Ridge, -no not the second Death Star |
Tethys - A New Ridge, -no not the second Death Star |
Dec 13 2010, 04:23 PM
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Member Group: Members Posts: 207 Joined: 6-March 07 From: houston, texas Member No.: 1828 |
Tethys - A New Ridge
It was posted on my blog. It was posted on Facebook. Now see it here, limited engagement only! Those topographic maps of Saturn's icy moons i showed at DPS in October show lots of cool things. Among them an large sinuous ridge stretching diagonally across the front face of Tethys. Rising 2 to 3 kilometers, it is always ~550 km from the rim of giant crater Odysseus. On one side are smooth textured rolling heavily cratered plains, but between the ridge and Odysseus are heavily pitted plains. Either the ridge is a tectonic ring formed by Odysseus, like the multiring basins on the Moon and Mercury, or it is the outer edge of a massive ejecta deposit from Odysseus. Also shown here is the enhanced color view of the same side showing the dusky equatorial band now attributed to the bombardment of high-energy retrograde electrons spiralling inside Saturn's magnetosphere. A similar band was discovered on Mimas, which i will talk again about at AGU tomorrow. Paul (-from SF) -------------------- 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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