Keywords: Birkeland crater 2033 med.jpg Birkeland on the far side of the moon Reprocessed Lunar Orbiter 2 image rotated and cropped in GIMP <br>The original image is in the public domain because it is a work of the U S Government NASA <br/> Immediate source Lunar and Planetary Institute Lunar Orbiter Photo Gallery<br>Lunar Orbiter 2 image 033 med http //www lpi usra edu/resources/lunarorbiter/images/print/2033_med jpg 2015-01-13 James Stuby based on NASA image<br/> Jstuby wikipedia en Cc-zero Original upload log en wikipedia Birkeland+crater+2033+med jpg wikitable - 2015-01-13 14 15 540×400× 62541 bytes Jstuby Oblique view of Birkeland crater on the far side of the moon Reprocessed Lunar Orbiter 2 image rotated and cropped in GIMP <br>The original image is in the public domain because it is a work of the U S Photos of the Moon by Lunar Orbiter spacecraft |