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Tuckerfan
2004-May-23, 05:34 PM
Okay, I'm surfing around and stumble across a French website with photos of Saturn's moons. (http://www.chez.com/cyberspace/textes/saturne/satellites_saturne.htm) One picture really caught my eye http://www.chez.com/cyberspace/photos/saturne/satellites/dione.jpg
What the heck is that? (I know, I know, it's a moon, duh!) Is that atmosphere? The cratering on the surface? Anybody know?

kucharek
2004-May-23, 05:38 PM
Which moon are you talking about?

Tuckerfan
2004-May-23, 05:39 PM
Dioné is the name given for it.

milli360
2004-May-23, 06:09 PM
What the heck is that? (I know, I know, it's a moon, duh!) Is that atmosphere?
This website (http://solarviews.com/eng/dione.htm) says it's extruded snow.

01101001
2004-May-23, 06:23 PM
Okay, I'm surfing around and stumble across a French website with photos of Saturn's moons. (http://www.chez.com/cyberspace/textes/saturne/satellites_saturne.htm) One picture really caught my eye [...] What the heck is that? [...] Is that atmosphere? The cratering on the surface? Anybody know?
That at least seems to be some creative colorizing, different from what I see elsewhere:

http://www.seasky.org/solarsystem/sky3g5.html

http://antwrp.gsfc.nasa.gov/apod/ap951009.html

http://en.wikipedia.org/wiki/Dione_(moon)

http://www.deepspace.ucsb.edu/ia/nineplanets/dione.html

http://www.solarviews.com/eng/dione.htm

http://www.eoascientific.com/prototype/newcampus/space/11/saturn/saturn12.html

Kullat Nunu
2004-May-23, 07:20 PM
Those wisps are indeed strange. But even stranger is that Rhea has almost exactly similar markings on its other side. Both have similarly cratered leading sides. Look for example this photo (http://www.solarviews.com/cap/sat/rhea3.htm). :o

Crazieman
2004-May-24, 01:52 PM
We'll get high resolution photographs soon enough =)