Describes the structure of the Milky Way galaxy and how information is compiled about its stars and planets. Also discusses the theories and contributions of such early astronomers as Ptolemy, Galileo, and Newton.
Describes the structure of the Milky Way galaxy and how information is compiled about its stars and planets. Also discusses the theories and contributions of such early astronomers as Ptolemy, Galileo, and Newton.
Describes the structure of the Milky Way galaxy and how information is compiled about its stars and planets. Also discusses the theories and contributions of such early astronomers as Ptolemy, Galileo, and Newton.
