Humankind's venture into the final frontier began with stargazing and continues to this day. But the greatest achievements have been recent. Readers will discover how the scientific theories of figures like Isaac Newton inspired the advancements of Hermann Oberth, a founder of modern astronautics, and Robert Hutchings Goddard, the father of modern rocketry. Mathematical equations and physics lessons that fit well into Common Core standards explain the principles these pioneers shaped. Alluring images coupled with astonishing explanations and snippets of particularly involved analysis of figures and achievements offer readers a stimulating history of space exploration.