Scientific American's Ask the Experts
Subtitle: Answers to The Most Puzzling and Mind-Blowing Science Questions
Publisher: Collins
Published: October 21, 2003
Language: eng
Number of pages: 320
ISBN-13: 9780060523367
First sentence: Some scientists were seriously concerned about the possible high density of objects in the asteroid belt, which lies between the orbits of Mars and Jupiter, when the first robotic spacecraft were scheduled to be sent through it.