NASA's Cassini spacecraft, now exploring Saturn, will take a picture of our home planet from a distance of hundreds of millions of miles on July 19. NASA is inviting the public to help acknowledge the historic interplanetary portrait as it is being taken.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/U...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/U...