Saturn's Moons Reshape Planet's rings


	Saturn's Moons Reshape Planet's rings

jmatts78

10-17-2009 2:40 AM

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tags:

saturn, planet, space, the, final, frontier

jmatts78 says:

Nifty!

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10-17-2009 4:19 PM

tanyamm

Always something new to discover. I love science.

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/53579777-908a-473c-8c43-8ab4ce508fdd/F9D165BD-3C6F-4A96-AE01-FE396570E531/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.scientificamerican.com/gallery_directory.cfm?photo_id=4F52921C-C148-CFBD-1562442F8C2C7D98" href="http://www.scientificamerican.com/gallery_directory.cfm?photo_id=4F52921C-C148-CFBD-1562442F8C2C7D98" style="font-size: 11px;">www.scientificamerican.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.scientificamerican.com/gallery_directory.cfm?photo_id=4F52921C-C148-CFBD-1562442F8C2C7D98"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/www.scientificamerican.com/img/0E5C5773-F166-4AD2-8B38-B62E20674014" alt="Close-up view shows Saturn's moons reshaping the planet's rings " /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.scientificamerican.com/gallery_directory.cfm?photo_id=4F52921C-C148-CFBD-1562442F8C2C7D98"><DIV>At the Saturnian equinox, which takes place every 15 Earth years or so, the plane of Saturn's rings aligns with the sun, casting shadows that bring out subtle details in their structure. NASA's Cassini spacecraft was on hand in August to observe Saturn's latest equinox up close and captured this image showing how the planet's moons influence the rings.</DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.scientificamerican.com/gallery_directory.cfm?photo_id=4F52921C-C148-CFBD-1562442F8C2C7D98"><DIV>
The narrow outer band in this photograph, known as the F ring (Saturn's main rings are named A to G in the order they were discovered), features channels carved into the ring by Prometheus, the oblong moon visible just inside the F ring. These so-called streamers are formed when the elliptical orbit of Prometheus brings the moon into the F ring. The gravity of the moon pulls material out of the ring, carving out a new streamer on each 15-hour orbit.</DIV></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/F9D165BD-3C6F-4A96-AE01-FE396570E531/blog/" title="blog or email this clip"><img src="http://content9.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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