WorldCat Identities

Walz-Chojnacki, Greg 1954-

Overview
Works: 23 works in 35 publications in 1 language and 6,675 library holdings
Genres: Juvenile works  Handbooks and manuals  Popular works 
Roles: Author, Performer
Classifications: QB857.7, 523.3
Publication Timeline
.
Most widely held works by Greg Walz-Chojnacki
Comet! : the story behind Halley's comet by Greg Walz-Chojnacki( Book )

1 edition published in 1985 in English and held by 509 WorldCat member libraries worldwide

Explains the nature of comets, what is known about Halley's comet, and various countries' plans to study it in 1985 and 1986. Makes suggestions for maximum viewing enjoyment
The moon by Isaac Asimov( Book )

1 edition published in 1994 in English and held by 449 WorldCat member libraries worldwide

This book discusses the different theories on the origins of the Moon and the space missions sent to study it
Our planetary system by Isaac Asimov( Book )

1 edition published in 1994 in English and held by 416 WorldCat member libraries worldwide

This book discusses the members of the Sun's family, and how each differs from the other
UFOs : true mysteries or hoaxes? by Isaac Asimov( Book )

3 editions published in 1995 in English and held by 404 WorldCat member libraries worldwide

This book introduces information on unidentified flying objects
Death from space : what killed the dinosaurs? by Isaac Asimov( Book )

2 editions published between 1994 and 1995 in English and held by 402 WorldCat member libraries worldwide

This book discusses the possible causes and effects that led to the death of dinosaurs millions of years ago
The birth of our universe by Isaac Asimov( Book )

2 editions published in 1995 in English and held by 367 WorldCat member libraries worldwide

This book introduces information to help the reader understand the vastness of the universe
Cosmic debris : the asteroids by Isaac Asimov( Book )

1 edition published in 1994 in English and held by 361 WorldCat member libraries worldwide

Provides facts and information about asteroids
Our Milky Way and other galaxies by Isaac Asimov( Book )

1 edition published in 1995 in English and held by 349 WorldCat member libraries worldwide

Provides an insider's view of our own Milky Way and discusses the nature and behavior of galaxies in general
Astronomy projects by Isaac Asimov( Book )

1 edition published in 1996 in English and held by 328 WorldCat member libraries worldwide

Presents a variety of astronomy projects, including modelmaking, sky observation, and experiments
Aliens and extraterrestrials : are we alone? by Isaac Asimov( Book )

1 edition published in 1995 in English and held by 328 WorldCat member libraries worldwide

This book discusses "extraterrestrials."
Planet of extremes--Jupiter by Isaac Asimov( Book )

1 edition published in 1995 in English and held by 321 WorldCat member libraries worldwide

This book introduces Jupiter, the largest planet in our Solar System
Celestial delights : the best astronomical events through 2001 by Francis Reddy( Book )

2 editions published in 1992 in English and held by 316 WorldCat member libraries worldwide

Pollution in space by Isaac Asimov( Book )

2 editions published in 1995 in English and held by 316 WorldCat member libraries worldwide

This book introduces information on pollution in space
Space colonies by Isaac Asimov( Book )

2 editions published in 1995 in English and held by 287 WorldCat member libraries worldwide

This book discusses the role that must be taken in dealing with other worlds
Discovering comets and meteors by Isaac Asimov( Book )

2 editions published between 1995 and 1996 in English and held by 275 WorldCat member libraries worldwide

Discusses the characteristics of comets and meteors and cites both famous appearances and unexplained mysteries connected with them
A double planet? : Pluto and Charon by Isaac Asimov( Book )

3 editions published between 1995 and 1996 in English and held by 271 WorldCat member libraries worldwide

Discusses the smallest, most distant, and most mysterious planet in our solar system, its discovery, its peculiar orbit, and its recently discovered satellite
Modern astronomy by Isaac Asimov( Book )

1 edition published in 1996 in English and held by 259 WorldCat member libraries worldwide

Offers an account of how scientists and amateurs use instruments such as space telescopes, computers, radio telescopes, and binoculars to study the universe
Science fiction : visions of tomorrow? by Isaac Asimov( Book )

1 edition published in 1995 in English and held by 254 WorldCat member libraries worldwide

This book compares science fiction with science fact
The 21st century in space by Isaac Asimov( Book )

1 edition published in 1996 in English and held by 237 WorldCat member libraries worldwide

Projects astronomical and astronautical possibilities for the future, such as huge telescopes, airplanes in space, a probe to the sun, and a landing on Mars
Celestial delights : the best astronomical events through 2010 by Francis Reddy( Book )

3 editions published in 2002 in English and held by 208 WorldCat member libraries worldwide

 
moreShow More Titles
fewerShow Fewer Titles
Audience Level
0
Audience Level
1
  Kids General Special  
Audience level: 0.12 (from 0.08 for Planet of ... to 0.23 for A double p ...)

UFOs : true mysteries or hoaxes?
Alternative Names
Chojnacki, Greg, Walz-

Chojnacki, Greg Walz- 1954-

Languages
English (32)

Covers
Death from space : what killed the dinosaurs?The birth of our universeAliens and extraterrestrials : are we alone?Discovering comets and meteorsA double planet? : Pluto and CharonThe 21st century in spaceCelestial delights : the best astronomical events through 2010