RT @NYTScience: This is @NASA’s latest “Blue Marble” photo with Africa front and center. nyti.ms/1fIHmZo http://t.co/AC3jbiXF8e
RT @NYTScience: This is @NASA’s latest “Blue Marble” photo with Africa front and center. nyti.ms/1fIHmZo http://t.co/AC3jbiXF8e