Title: Astronomy & space
Description: Contains 105 alphabetically-arranged entries, each from one to four pages in length, that provide information about various aspects of astronomy and space exploration, covering a period ranging from the "Big Bang" in 15-20 billion B.C. into the twenty-first century.
Subjects: Juvenile Encyclopedias, Textbooks, Science textbooks, Astronautics, Encyclopedias, Astronomy, Astronomy textbooks