Books in Isaac Asimov's 21st Century Library of the Universe series

A description of the sun, the star of our solar system, which includes information on its origin, physical composition, and characteristics, as well as on studies made of the sun by instruments and satellites.

A description of Jupiter, the largest planet in our solar system, which includes information on its numerous moons, space probes which have studied it, and the 1994 collision of comet remnants with the planet.

Discusses the possibility of different forms of life within and outside of the solar system.

A description of Earth, the third planet from the sun, which includes information on its origins, composition, and unique characteristics.

Compares what writers over the centuries have written about an imaginary future with the reality revealed by time.

A description of Mars, the fourth planet from our sun, which includes information on the controversy over possible life on Mars, on the planet's moons, and on space probes and spacecraft which have studied it.

Introduces the third largest known planet in the solar system.

Discusses the history of rockets and spaceflight and how satellites and space probes are used.

Presents some ancient mythological beliefs about the universe.

Describes some of the various features of the planet Venus and how we have learned what we know.

Introduces the fourth largest known planet in the solar system.

Describes what can cause space debris, the problems it can cause, and how to clean up the pollution of space around the Earth and beyond.