It wasn’t a glossy colour postcard or a carefully planned shot. Instead, it was a grainy black-and-white image, sent across space in 1966, that completely transformed how humanity saw itself. On ...
Humanity's first look at Earth from the moon didn't come until Aug. 23, 1966, when this grainy, black-and-white image showed our planet as a crescent above the lunar horizon, appearing to rise as the ...
The surface of Earth is finite. We can measure it. If it was expanding, then its size would grow with time. And once again, good ol' Earth helps us understand what the universe might be doing beyond ...