An excellent solar transit view of the ISS clearly showing ESA's Columbus science module, ATV-4, Japan's Kibo module and the Zvezda module. SPA: solar array panels. Credit: Yoshiaki Sakai

An excellent solar transit view of the ISS clearly showing ESA’s Columbus science module, ATV-4, Japan’s Kibo module and the Zvezda module. SPA: solar array panels. Credit: Yoshiaki Sakai