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April open house concludes year of observing

14 May 2015, 22:51 UTC
April open house concludes year of observing
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On April 24, Haverford’s Public Observing Astronomy Program proudly hosted the an Astronomy Night in as part of the Philadelphia Science Festival. Over 200 guests packed into the Strawbridge Observatory and adjacent fields for a variety of astronomy-related activities.
Before sunset, two Haverford students led Solar System Walk, scaled down so the sun was the size of a basketball. The tour illustrated the vast expanse of our solar system; the group proceeded across the athletic fields without reaching outermost planets.
Inside, younger guests built their own mobiles, while others mastered four levels of astronomy trivia. Older visitors participated in virtual observing through Observing With NASA (mo-www.harvard.edu/cgi-bin/OWN/Own.pl) and were excited to look at images from anything up in the sky that night. A cloud chamber demonstration helped visitors visualize the paths of high energy particles in the upper atmosphere. Another creative demo utilized marbles and fabric to illustrate Einstein’s Theory of general relativity.
Families enjoy building their planetary mobiles.

Young scientists at the cloud chamber demo.

Visitors wear their special glasses to learn about high energy particles at the cloud chamber demo.

The general relativity demo engages young scientists.

After sunset, groups of ...

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