Curated OER
A Galactic Fact Sheet
In this galactic fact worksheet, learners read through important facts about galaxies, their shapes, and distances from the Sun.
PBS
Pbs: Nova Online: Galaxies, Clusters, and Superclusters
PBS site explores these building blocks of the universe as well as their various types and clusters.
Society for Science and the Public
Science News for Students: Hold on to Your Stars, Ladies and Gentlemen
Describes scientific research that has revealed new information about the size and shape of the Milky Way.