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Citizen Sky Planetarium Show w/Timothy Ferris

 Our Citizen Sky project has released a nice 7-minute planetarium trailer about Algol, eclipsing binary stars, epsilon Aurigae and more. It is narrated by Timothy Ferris and available on YouTube and also in hi-def and full-dome formats. 07/16/10

AAVSO 49 Bay State Rd. Cambridge, MA 02138 617-354-0484