He learned why it changed shape and how to spot the "seas" that were actually ancient lava plains.
The book hadn't just taught him facts; it had given him a new set of eyes. Now, when Leo looked up, he didn't see a dark ceiling. He saw a home. Astronomy: A Self-Teaching Guide, Seventh Editi...
By the time Leo finished the Seventh Edition, he wasn't just a guy looking at the sky. He was the person his neighbors came to during meteor showers. He could point out the Andromeda Galaxy—a smudge of light that was actually an entire universe of its own—and explain the expanding nature of space. He learned why it changed shape and how