Japanese love space probe.
You can check on going projects at JAXA web site.

What was the HAYABUSA project? wiki(English)

I like this one.
Hatsune Miku “HAYABUSA” with Eng sub.

Please check solar-powered space yacht “IKAROS project” too.

“Origami” technique was used for sail spreading.

Another space related Vocaloid song. LAIKA