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Star in a Box Explore the lifecycle of stars with this interactive app
Educational Resources Our collection of online activites, print resources, and observing tips.
There are billions and billions of stars in the universe and no two of them are exactly alike. They vary in composition, size, age, location, and in the planets that accompany them. This chapter describes the life cycle of stars and the H-R diagram. It also explains how distances to stars and other objects in the universe are measured.
Here is a presentation that takes you through the same information in a fun format: