'Rockstar' Astronomer Makes A Fantastic Discovery
- 00:04:03
- CBS Minnesota
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'Rockstar' Astronomer Makes A Fantastic Discovery
Michael Koppelman used to play and record with Prince, and he's started two companies. But it's what he discovered one night while gazing up at a Minnesota sky that brought him international attention, Frank Vascellaro reports (4:00).
CBS Minnesota | July 3, 2009
