This quiz will take you on a journey through the life cycle of stars, their classification, and the incredible processes that power them.

The following is an excerpt from The Glass Universe: How the Ladies of the Harvard Observatory Took the Measure of the Stars, by Dava Sobel. The monumental work of stellar classification known as the ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. When scientists discover a new star or galaxy, they typically rely ...