Stars

Stars are cosmic energy engines that produce heat, light, ultraviolet rays, x-rays, and other forms of radiation. They are composed largely of gas and plasma, a superheated state of matter composed of subatomic particles. Discover various types of stars through this collection.
Is the Sun rotating? Follow the sunspots!
The Earth rotates on its axis, giving us night and day – but what about other celestial objects like the Sun?
One Million Earths inside our Sun
Students will learn how to build a model of the Sun, which can fit nearly 1 million little Earth balls.
Star in a Box: Advanced
Explore the life-cycle of stars with Star in a Box activity.
Model of a Black Hole
Understand the mystery of black holes through a hands-on activity.
Star in a Box: High School
Explore the life-cycle of stars with Star in a Box activity.
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