Flying Galaxies and Other Real Galactic Stories

Flying Galaxies and Other Real Galactic Stories

By Ken Croswell PhD, Tony Helies, and Highlights for Children
$2.99
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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.