Astrobiology

by Fred Bortz

Book Overview

Are we alone in the universe? Is Earth the only planet that's a suitable home for life? These questions have long motivated scientists as central issues in astrobiology, the search for life in the universe. Astrobiologists compare life on Earth to signs of life on other planets. They test meteorites for evidence of alien bacteria. They collect soil and atmospheric samples from other planets. They study photographs taken on space missions. and they...

• Format: Library Binding
• Language: English
• ISBN: 0822567717
• ISBN13: 9780822567714
• Release Date: January 2007
• Publisher: Lerner Publications
• Length: 48 Pages
• Weight: 0.70 lbs.
• Dimensions: 0.4" x 7.3" x 10.1"
• Age Range: 9 to 12 years
• Grade Range: Grades 4 to 7