Difference between revisions of "Ralph"
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Space. | Space. | ||
http://www.nasa.gov/mission_pages/sunearth/news/2012-venus-transit.html | http://www.nasa.gov/mission_pages/sunearth/news/2012-venus-transit.html | ||
+ | |||
+ | [http://www.reddit.com/r/spacedicks The Official NASA Cite] |