"Explains astronomers' varied opinions and theories about the Star of Bethlehem phenomenon at the time of Jesus' birth. Stylized illustrations in mustard gold, olive green and shades of blue."--Library Journal.
Presents the progression in man's knowledge of the planet Mars--from the telescope of Galileo to the photographic lens of Mariner IV whose incredible journey close to the Red Planet furnished scientists with more data than ever previously collected.
Brief explanations of galaxies, light years, and nebulae. Gives facts about stars--their sizes, density, elements, temperature, movement, and the distances between them.
Explains what comets are, how they are formed, and how their unusual orbits bring them into earth's view at predictable intervals, with a special focus on Halley's comet.
