Apr 17, 2012 — It's been a great year for planet-watching. So says astronomer Aileen O'Donoghue, who teaches physics at St. Lawrence University.
She was in the NCPR studio this morning to share the news about Mars, Saturn and Venus. O'Donoghue also had a tip for a good view of the waxing crescent Moon and the Pleiades on April 23. She spoke with Martha Foley.