Image: The Earth seen from Apollo 17

Original image(3,000 × 3,002 pixels, file size: 6.21 MB, MIME type: image/jpeg)

Description: "The Blue Marble" is a famous photograph of the Earth taken on December 7, 1972, by the crew of the Apollo 17 spacecraft en route to the Moon at a distance of about 29,000 kilometres (18,000 mi). It shows Africa, Antarctica, and the Arabian Peninsula.
Title: The Blue Marble  
Credit: http://www.nasa.gov/images/content/115334main_image_feature_329_ys_full.jpg Alt: http://grin.hq.nasa.gov/ABSTRACTS/GPN-2000-001138.html (direct link)
Author: NASA/Apollo 17 crew; taken by either Harrison Schmitt or Ron Evans
Usage Terms: Public domain
License: Public domain
Attribution Required?: No