ASTRONOMY     CLASSES  Tom Whitney   256-6234    E-MAIL 7 pm  - 1st, 3rd, 5th  Fridays, Apr > Oct Amherst College Planetarium Mt. Pollux Observing If Clear Amherst Leisure Services  259-3065    Web Site Town of Amherst Charges Fee . Appropriate All Ages & Backgrounds Individual Instruction, Observing, Part-Science, Part-Nature Observe Sun,  Sunset, Earth Shadow, Meteors, Moon, Sky Color, Planets, Sky Motion, Satellites, Bright Stars, Constellations, Star Clusters, Multiple Stars, Galaxies, & More Understand Scientific Principles, Seasons, Orbits, Time, Dimensions, Gravity, Sun, Moon, Tides, Phases,  Revolution-Rotation, Eclipses, Planets, Satellites, Comets, Solar System, Constellations, Stars, Star Clusters, Optics, Nebulas, Galaxies, Black Holes, History, Mythology, Math, Physics, Space Exploration,  Cosmology, Telescopes, Relativity, Binoculars, String & M Theory, Quantum  Mechanics, Dark Matter/Energy, & More