Earth from Saturn, crowds gather for royal baby announcement, crowds greet Pope Francis in Brazil and more.
July 19, 2013 The wide-angle camera on NASA's Cassini spacecraft captures Saturn's rings and planet Earth and its moon in the same frame. Earth, which is 898 million miles away in this image, appears as a blue dot at center right; the moon can be seen as a fainter protrusion off its right side. An arrow indicates their location in this annotated version. /NASA via AFP/Getty Images Buy Photo