Black Holes: A Space Discovery Guide

by James Roland

Black holes are one of the greatest mysteries of outer space. No visible light can escape the strong gravity of a black hole. This makes black holes invisible--and very difficult to study. But scientists make new discoveries and develop new theories about these mysterious objects every day. In 2015, astronomers were able to finally confirm a theory that Einstein had developed one hundred years earlier And in 2016, scientists found that black holes...

• Format: Library Binding
• Language: English
• ISBN: 1512425869
• ISBN13: 9781512425864
• Release Date: January 2017
• Publisher: Lerner Publications (Tm)
• Length: 48 Pages
• Weight: 0.65 lbs.
• Dimensions: 0.3" x 7.2" x 9.0"
• Age Range: 9 to 12 years
• Grade Range: Grades 4 to 7