How Did We Find Out about the Universe?

by Isaac Asimov

Explains how our conception of the size of the universe has changed as astronomers and their instruments have become more sophisticated. This description may be from another edition of this product.

• Format: Hardcover
• Language: English
• ISBN: 0802764770
• ISBN13: 9780802764775
• Release Date: January 1983
• Publisher: Walker & Company
• Length: 64 Pages
• Weight: 0.45 lbs.
• Age Range: 8 to 12 years
• Grade Range: Grades 3 to 7