Return of the Blue Marble - Planet Earth - Science at NASA

The Blue Marble is an image of the Earth made on December 7, 1972, by the crew of the Apollo 17 spacecraft at a distance of about 45,000 kilometers (28,000 miles). It is one of the most reproduced images in human history.

The image with the official NASA designation AS17-148-22727 reproduces the view of the Earth as seen by the Apollo crew traveling toward the Moon. The translunar coast photograph extends from the Mediterranean Sea to Antarctica. 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. In addition to the Arabian Peninsula and Madagascar, almost the entire coastline of Africa is clearly visible. The Asian mainland is on the horizon.

The name has also been applied by NASA to a 2012 series of image data sets covering the entire globe at relatively high resolution, created by carefully sifting through satellite-captured sequences taken over time, to eliminate as much cloud cover as possible from the collated set of images.

CREDIT: National Aeronautics and Space Administration

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[madimemixea]

i am a fanatic of gem and i realise that this image shows that under earth's ground diamond and other gems imitates its color.. wow it's really amazing..