This National Aeronautics and Space Administration sites highlights the investigation of supernova SN 1604 with images from three different NASA observatories. This site presents a composite image that combines visible,...

This web site from Michael Richmond at the Rochester Institute of Technology contains lecture notes for an introductory course on galaxies and cosmology. It is meant for a non-science audience with a limited background...

This website from the University of Washington Department of Astronomy provides introductory astronomy activities on topics such as: fundamentals of astronomy, observing the sky, the sun, stars, stellar evolution, the...

This set of lecture slides, authored by Christopher Churchill of Pennsylvania State University, provides images, pictures, information, and graphs that guide students through the variables involved in the Drake Equation....

Stars live for a very long time compared to human lifetimes. Your great, great grandparents saw the same stars as you will see tonight (if it's clear). Our lifetimes are measured in years. Star lifetimes are measured in...