Winter is fast coming on, so I thought I'd put up a nice summery photo for today's Sky Watch. Here's a shot of the Mall in Washington DC, with the Smithsonian "Castle" and the Washington Monument silhouetted against a nice blue sky with some puffy white clouds. If you enlarge the image, you can see all the people taking advantage of the lovely, sunny weather. A day without smog in Washington is definitely something to celebrate!
(Click on photo to enlarge.)
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