Welcome to the world of high energy Cosmic Rays!		Cosmic Rays are just charged particles like protons coming to the Earth from space !		Click here to watch a movie about the Hi - Res Cosmic Ray observatory . The highest energy particles ever were observed here.
	Click here to learn about the discovery & science of cosmic rays. This is the best place to start.		Click here to see a 6-minute introductory movie about WALTA
Learn about types of cosmic ray detectors by going to the Topic Menu.		WALTA: Washington Area Large-Scale Time-Coincidence Array a school-based cosmic ray detector network		Click here for a menu of the animations on this cd.
	Menu of Activities and Questions for students look for this icon throughout the site for links to questions for students <-----		A cosmic ray discovery timeline
A cosmic ray GLOSSARY		Credits, revision history, and more information on using the CD		cosmic ray www links