Is it your world or theirs?
Art director Robert Simmon and NASA scientist Gene Feldman explain how the “Blue Marble” images are made.
The picture logged over 3.1 million views on the Flickr image hosting website within the first week of release. On February 2, 2012, NASA released a companion to this new Blue Marble, showing a composite image of the Eastern Hemisphere from data obtained on January 23, 2012.
The picture is composed of data obtained by the Visible/Infrared Imager Radiometer Suite (VIIRS) instrument on board the Suomi NPP satellite on January 4, 2012. The data was obtained from six orbits of the Earth by the Suomi NPP over an eight-hour period. The image was created using a near-sided perspective projection with the viewing point placed 2100 km (1300 miles) above 20° North by 100° West. This projection results in a very wide-angle presentation such as one might get with a fish-eye lens, and it does not include the whole hemisphere.
“It is Photoshopped but it has to be!”Rob Simmon
NASA has verified all images of the 2012 “Blue Marble” are composites as they cannot get far enough away and have to combine multiple photos together. Likewise, these images do not fit together properly and due to lighting, weather and cloud interference it is impossible to collect cohesive or fully clear images to begin with.
Skull and Bones
Flipping and mirroring Nasa's composite image produces surprising results.
Sources and links
Source: Robert Simmon
Source: The Blue Marble – Wikipedia