Since 1972, NASA’s iconic “Blue Marbles” have inspired and captured our collective imaginations. In the amazing poster above we see some of the best ‘marbles’ that have been captured and shared since.
Top row left to right: Blue Marble – Astronaut photograph 1972, Blue Marble 2002, Aqua Marble 2005
Bottom row left to right: Blue Marble 2012, White Marble 2012, Black Marble 2012
Visit NASA Goddard Space Flight Center on Flickr for higher res images.