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.
Provides a brief overview of stars, explaining how they are born and how they die, what it means to go supernova, what neutron stars, pulsars, and black holes are, and how scientists observe stars.
Provides information about Earth's moon, describes its atmosphere, surface, and interior, looks at the phases of the moon, and discusses the history of moon exploration and discovery.
Provides information about asteroids, comets, and meteoroids, explaining what they are, what they look like, and where they are located in the solar system, and more.
