astronomy

More than 1,000 alphabeticallyarranged entries provide information on important astronomical subjects, concepts, and theories.

A brief introduction to astronomy, with emphasis on the relationship between the moon, the earth, and the sun.

Discusses how scientists and amateurs use instruments to study the universe and describes some astronomical discoveries.

Contains three sections--a ten-step voyage from Earth's vicinity to the far reaches of the universe, a sequence of ten closeup looks at interesting objects in section one, and a guide to viewing the night sky.

Provides tips on how to spot some of the wonders of our solar system and galaxy and how to choose a telescope. Also discusses astronomical mysteries and amazing facts.

Describes the planets of the solar system and more distant objects in space and discusses past and present ways we have gathered information about them.

A child describes how the earth, sun, and planets are part of our solar system, which is just one small part of the universe.

When a rainstorm prevents Nancy and her best friend, Robert, from getting to the planetarium the night of a class field trip, she has a brilliant idea for making things better.

Introduces various astronomical phenomena visible from earth, including the sun, stars, comets, the moon, eclipses, and auroras.

Describes and illustrates the astronomical aspects of the sky, including constellations, planets, moons, and the astronomer's role in observing these.