 "Earthrise: astronauts aboard Apollo 8 captured this spectacular photo of Earth rising above the lunar horizon as they emerged from behind the dark side of the Moon. Image Credit: NASA")
This is where we live. In space. On a marble fortified against bottomless blackness by a shell of air and color, fragile and miraculous as a soap bubble.
In 1968, we Earthlings knew that already, sort of. But that abstract notion became visceral on Christmas Eve of that year. While scouting landing spots on the moon, the astronauts of Apollo 8 — Frank Borman, William A. Anders and James A. Lovell, Jr. — spied the shiny blue Earth rising over the ash-colored lunar mountains like a cosmic smiley face. That image, transmitted from space, went on to capture the imagination of
