Publisher Description
Swirling galaxies! Scientists and astronomers have determined that there are other galaxies just like ours, and have even calculated how old they are. Learn about how scientists determined that our galaxy is a giant swirling pinwheel of stars. Stories by Ken Croswell Ph.D., Tony Helies, and Highlights for Children.
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About the Authors
Founded in 1946, Highlights for Children, Inc., is dedicated to the belief that “children are the world’s most important people.” Every Highlights product helps children become their best selves and become curious, creative, caring, and confident individuals. With its flagship magazine’s success, Highlights for Children, Inc., expanded to include other companies.