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Target: Grades 6-10
Length: 15 minutes
Guide: Available from the Central Operation of Resources for Educators (CORE) (440) 775-1400 http://core.nasa.gov
Internet: http://www.stsci.edu/resources
Come explore two intriguing mysteries of the universe: pulsars and quasars. Each of these is a relatively recent discovery and viewers are shown what scientist know, and do not know, about both. Viewers see why a more compact object can spin faster than a larger, less dense object.
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