Space systems

Explains the cycles of the Earth, Sun, and Moon that affect our daily lives, and how the major figures in astronomy used the scientific method to prove their theories about these cycles.

"Our modern understanding of the heliocentric universe developed five hundred years ago. Since the time of Copernicus and Galileo, scientists have made major strides in understanding how gravity, stars, and planets interact. 'Gravity, Orbiting Objects, and Planetary Motion' explains how early ideas have given way to sophisticated, proven theories about the universe. The book aligns with Next Generation Science Standards and also presents a look at what is next in the cutting-edge field of astronomy"--Amazon.com.

Explores space exploration technology.

"... traces the lives of stars and also the lives of famous scientists like Edwin Hubble, Albert Einstein, and Henrietta Leavit"--Amazon.com.

"How do the planets compare to one another? What about stars and galaxies? How do the differences in celestial bodies affect life here on Earth? ... [This book presents] information about the universe while also looking at how scientists built upon the research and theories of earlier generations. The book covers Next Generation Science Standards, includes the history of space travel, and discusses how these important missions have allowed astronomers to make accurate models of the planets, moons, suns, and more"--Provided by publisher.

An introduction to cosmology and the big bang theory.