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Get ready to S-T-R-E-T-C-H your mind! What is a black hole? Where do they come from? How were they discovered? Can we visit one? Carolyn Cinami DeCristofano takes readers on a ride through the galaxies (ours, and others), answering these questions and many more about the phenomenon known as a black hole. In lively and often humorous text, the book starts off with a thorough explanation of gravity and the role it plays in the formation of black...
Beginning readers explore the important concept of comparing and contrasting objects by weight in a way that is both fun and educational. Bright illustrations featuring cartoon dinosaurs accompany easy-to-follow text that introduces early learners to the distinction between "heavy" and "light." Readers will be drawn to the colorful pages featuring dinosaurs interacting with common objects and animals in a way that clearly shows the difference between...
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