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What are stars? What are planets? Why are some brighter than others? And which planets can we see from Earth? Learn the answers to these questions and more in this easy-to-read …
What is the moon? Why do we see it at night? And why does it seem to change shape? Learn the answers to these questions and more in this easy-to-read title and discover the science …
Militaries use amazing vehicles on the water. Aircraft carriers and submarines are just a few of the mighty military machines that get the job done
What is the sun? Why do we have seasons? What are eclipses? Learn the answers to these questions and more in this easy-to-read title and discover the science behind the sun and its …
How long is the drive from Florida to Oregon? What's the shortest route to the picnic? How can you get around a big park without getting lost? Discover the many ways maps can …