| http://www.w3.org/ns/prov#value | - There are talks on a lot of different topics all day on both Saturday and Sunday, with schedules of speakers and topics posted.??? Other regular events include a tour of a scale model of the solar system, to help give people a better idea of just how big and how empty it really is, tours of the Big Bear Solar Observatory, family activities such as archery and swimming, and, of course, speeches and
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