On June 5, 2007, JAXA installed a thin piece of metal foil onto the outside of the Kaguya spacecraft. Micro-written on the foil were the names of 412,627 people. The text in the image reads:
Top line: “Wish Upon the Moon” Campaign; Bold text to upper right: Open application period: 12/1/2006 (Friday) – 2/28/2007 (Wednesday). Soliciting 412,627 people (234,498 from Japan, 178,129 from abroad); Text in image to the upper left: ~Send your name and message to the moon~ Selene “Wish Upon the Moon” Campaign; Text in lower right: Size: 280x160 mm Character size: 70 micrometers; Text in lower left: 1 name sheet set (group of two sheets) attached to two faces of Kaguya.