Waukesha County

Due to COVID-19, Waukesha County's in-person services may be limited or altered. Click here for hours and updates


Cosmic Colors: Adventure Along the Spectrum


Discover why the sky is blue, Mars is red and why things appear the colors they do. Then step into the invisible universe to investigate the electromagnetic energy all around us from the infrared light of a roaring fire to the X-rays emitted by a black hole.

Standards: MS-PS2-3, MS-PS-4
Duration: 60 minutes
Fee: Yes
Offered: School Year
Location options: Horwitz-DeRemer Planetarium located at the Retzer Nature Center


Grade 9-12 program listing