Focal Point
Part of the Discovering the Universe Curriculum Collection.
From June 14 to June 22, the Museum is an early voting site for certain electoral districts in Manhattan. Find your early voting site at the NYC Board of Elections.
Part of the Discovering the Universe Curriculum Collection.
What is a telescope's focal point, and why is knowing its location so important to astronomers? Grab a flashlight, an empty soda bottle, and a few other supplies; then find out.