I believe I never knew what the word round meant until I saw Earth from space..

The Earth was small, light blue, and so touchingly alone, our home that must be defended like a holy relic. The Earth was absolutely round. I believe….

I could see Armstrong bouncing on the moon.

What struck me most was the silence. It was a great silence, unlike any I have encountered on Earth, so vast and deep that I began to hear my own bod….