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http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	View all posts by Kelly Beatty ??? 2 thoughts on ???Get Ready for ???Galilean Nights?????? David Rodger October 1, 2009 at 10:43 am A few weeks ago there was an occasion when all four Galilean moons were ???invisible??? for a few hours.
http://www.w3.org/ns/prov#wasQuotedFrom	skyandtelescope.com