Likewise, these images do not fit together properly and due to lighting, weather and cloud interference it is impossible to collect cohesive or fully clear images to begin with. NASA has verified all images of the 2012 "blue marble" are composites as they cannot get far enough away and have to combine multiple photos together. These were created by looking through satellite pictures taken over time in order to find as many cloudless photographs as possible to use in the final images. NASA has also applied the name to a 2012 series of images which cover the entire globe at relatively high resolution. In addition to the Arabian Peninsula and Madagascar, almost the entire coastline of Africa and most of the Indian Ocean are clearly visible, a cyclone in the Indian Ocean is also visible, the South Asian mainland is on the eastern limb. This was the first time the Apollo trajectory made it possible to photograph the south polar ice cap, despite the Southern Hemisphere being heavily covered in clouds. It mainly shows Earth from the Mediterranean Sea to Antarctica. Taken by the crew of the Apollo 17 spacecraft on its way to the Moon, it is one of the most reproduced images in history. The Blue Marble is a photograph of Earth taken on December 7, 1972, from a distance of around 29,000 kilometers (18,000 miles) from the planet's surface.
The Blue Marble, taken by the Apollo 17 crew in 1972.
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