Leaving the Cradle: Human Exploration of Space in the 21st Century 
Subtitle: 28th Goddard Memorial Symposium (Aas Goddard Memorial Symposium//Proceedings)
Publisher: Univelt
Published: August 1991
Language: eng
Format: Hardcover
Number of pages: 335
ISBN-13: 9780877033363
Subjects: Space Exploration; Science; Science/Mathematics; United States; Astrophysics & Space Science; Astronautics and civilization; Astronautics and state; Congresses; Exploration; Outer space