How do astronomers tell what stars and galaxies are made of?

Dec 02.

Celebrate the 2015 International Year of Light with a free planetarium show from 6-7pm that explains how astronomers use spectroscopy to determine the chemical composition of stars and galaxies. A tour of the December 2nd night sky will be included.

Contact
Noella Dcruz, ndcruz@jjc.edu
Date
December 2, 20152015-12-02T08:00:00
Location
Joliet, IL, United States
URL