Curated OER
Cosmic Collision
In this cosmic collision worksheet, students explore interactive online website to study about the dynamics of different galaxies. They write short answers to 8 questions that follow.
Space Telescope Science Institute
Hubble Site: Secret Lives of Galaxies
This site is provided by HubbleSite from NASA. "Telescopes around the world are beginning to harvest new clues to the origin and evolution of the universe's largest building blocks, the galaxies." Site offers links to images, video,...