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I guess relating to this thread it means we are in the Star Wars universe after all. ![]()
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At night the stars put on a show for free (Carole King) One Earth, One Sky - IYA 2009 All moderation in purple |
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Purple haze all in my brain
Lately things just don’t seem the same Actin' funny, but I don't know why 'Scuse me while I kiss the sky Titan's purple haze, thumbnail: ![]()
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8) [Beats Purple Rain ]It is intriguing that the Rayleigh scattering is only in the upper and, I suppose, lower atmosphere. This seems surprising to me. A rough guess would be only the upper regions have the smaller molecules (thanks in part to the molecular break-down the article discussed) allowing the scattering. Large molecules do not allow much scattering of shorter wavelength light.
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Lighten up! This is a stellar board! |
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The Sky at Night: Moons of Saturn
If you missed it on TV, you can now watch it online! (Well, sort of. RealOne Player, or such-like, required.)
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- Learn a lot teaching others. |
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OUT FROM THE SHADOWS: TWO NEW SATURNIAN MOONS
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Looks like the Cassini Picture of the Day on the Cassini homepage haven't been updated...
From the CICLOPS site: Streaking Away from Dione |
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Cool view of Prometheus and the F-Ring.
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Cassini is approaching a 1.1 million km flyby of Iapetus in the next several days and the narrow angle images will be higher resolution than any from Voyager. However, there is evidently a pointing error occurring as a number of the recent images don’t actually include Iapetus in the frame. The last narrow angle posted that does http://saturn.jpl.nasa.gov/multimedi.../N00021473.jpg shows some topography in Cassini Regio.
I understand that pointing errors have occurred earlier – an image of Hyperion from about 750,000 km was missed a day or two after SOI. Also, after the upcoming Titan flyby there will be opportunities for imaging Tethys and Mimas from a few hundred thousand km at highest resolutions of 1.5 and 2 km/pixel respectively. |
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Here's a great raw image of Tethys showing it's largest crater to good effect:
http://saturn.jpl.nasa.gov/multimedi...iImageID=26004 |
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:wink: J/K Great picture! I'm so excited about all these great moon pics still to come! |
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...and it's still not finished yet!
POST-TITAN A IMAGE OF DIONE: http://saturn.jpl.nasa.gov/multimedi...iImageID=26000 |
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