Nice. Neptune is interesting because no one, apparently, knows why it is a deeper blue than Uranus. The only explaination so far seems to be due to a chromophore within the atmosphere of Neptune. [I haven't researched it much, however.]

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Lighten up! This is a stellar board! Author: duh.

"The Sun, with all the planets revolving around it, and depending on it, can still ripen a bunch of grapes as though it had nothing else in the universe to do..." Author: Galileo supposedly.