Bell, Trudy E

Scientists who have also achieved success as science fiction writers offer new theories about the planets based on recent discoveries in outer space.

Describes the physical characteristics of the sun and research of the sun, discussing solar eclipses and space exploration.

Explains what scientists believe about the origins of the solar system and the inner planets, presents descriptions of Mercury, Venus, the Earth-moon system, and Mars, and discusses the pleasures of planet watching.

Explores the solar system's smallest bodies and outer reaches to seek information about some unusual objects and how they may affect life on Earth.

Examines several significant devices, techniques, software developments, and systems concerns related to twenty-first century advances in technology; explores technologies that could directly affect individuals and society; and articulates principal issues in some of the largest technology-related challenges facing society.

Explores how early scientists first realized the movements of the Earth and the effects they have on the planet, examining such things as seasonal and climate changes.