This comes from Spaceweather.com's "Daily Sun" feature.
If I understand correctly, this is normally something you can only see for a few months every 11 years. Whee!
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Smallville was supposed to be on at 10:30 PM tonight, because for some inane reason WGN thinks a stupid baseball game is more important. Anyway the baseball game was delayed by rain, so Smallville didn't start until 11:45. I'm glad I didn't have to set a VCR to record the thing.
Good episode, though.