Planets (Capstone)

"Discusses Earth as a part of the solar system, including ancient astronomers' research that changed the way Earth was understood, explorations outside of Earth's atmosphere, and the possibility of sending humans to other planets"--

"Discusses the planet Mars, including observations by ancient cultures, current knowledge of Mars, and plans for future scientific research and space exploration"--

"Discusses the planet Neptune, including observations by ancient cultures, current knowledge of Neptune, and plans for future scientific research and space exploration"--

"Discusses the planet Uranus, including observations by ancient cultures, current knowledge of Uranus, and plans for future scientific research and space exploration"--