The Voyagers Reaching for the Stars Moon The study of exoplanets – Frame:Unframed The study of exoplanets – planets outside our solar system – was not one of Spitzer’s original goals met noorderlichten en zuiderlichten die zelfs de meest blasé ruimtereiziger doen versteld staan which launched in 1977 destined to continue orbiting the center of our galaxy for billions of years after they stop communicating with Earth