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  • Pluto's 80th Anniversary

    Which planet celebrates its 80th anniversary this month? We’ll talk about the February, 1930 discovery of Pluto and learn lots of Pluto facts this hour with one of our favorite astronomers Ken Croswell, author of “Ten Worlds: Everything that Orbits the Sun” (Boyds Mill Press, 2007)

  • An Hour of Astronomy

    What’s going on in astronomy these days? We’ll explore the Milky Way, colliding galaxies and find out if there’s really water on the Moon this hour with astronomer Ken Croswell whose new book for kids is “The Lives of Stars” (Boyds Mills Press, 2009).