Welcome! Sign In or Try it Free!
Search Over 150,000 Teacher Reviewed Lesson Plans and 75,000 Worksheets
Search Over 150,000 Teacher Reviewed Lesson Plans and 75,000 Worksheets

Students determine the age of a star cluster by observing, measuring, and plotting astronomical data. They examine the Jewe lbox cluster, located within the southern constellation Crux and determine its age. Full Review »