Milham Planetarium


Astronomy students at the college will host free shows for the public on Friday evenings at 8 p.m. beginning Sept. 13 and running through Dec. 6. Audiences will be treated to shows from the high-precision Zeiss Skymaster ZKP3/B opto-mechanical planetarium projector, installed in April 2005.

The Zeiss Skymaster is capable of demonstrating phenomena including: retrograde motions of the planets, phases of the moon, the varying temperatures/colors of stars, locations of neighboring galaxies, the mythological figures and zodiacal signs ascribed to constellations, the Southern Hemisphere’s sky, comets, artificial satellites, and much more.

Fall 2019 shows will be hosted by Williams College students, Peter Knowlton ’21, Christian Lockwood ’20, Duncan McCarthy ’21, and Patrick Postec ‘21. Field Memorial Professor of Astronomy Jay Pasachoff is director of the Hopkins Observatory.

The Hopkins Observatory, built in 1836-38 by the first professor of astronomy at Williams College, Albert Hopkins, is the oldest extant observatory in the United States. Shows will last about 50 minutes.

Event Dates
Friday from Friday, September 13, 2019 through Friday, December 6, 2019
Event time
8:00 PM
required: Michele
Rech at 413-597-2188


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