The four-person crew are now over halfway to the moon and have become the first humans to see our planet from deep space since the early 1970s The first time the world truly saw itself was December 1968. Three astronauts on board the Apollo 8 lunar mission brought home dozens of photos of our planet swathed in swirling clouds, vibrant in blues, greens and browns. One of the most famous imag... [2942 chars]