Pictures of Earth Pointing a Celestial Mirror at a Pivotal Time in History

摘要

UNTIL THE ADVENT of spaceflight, we humans could only imagine what our planet looked like from space. Ever since we started sending robotic probes and humans into the cosmos, we've had a natural inclination to turn the camera back on ourselves to see our fragile world hanging in the blackness of space. As a result, some of the most memorable images in the history of spaceflight are of Earth.