... Credit: NASA , Johns Hopkins University Applied Physics Laboratory , Southwest Research Institute Explanation: A new spacecraft is headed for the outer Solar System. ... New Horizons is being pulled by Jupiter's gravity to a greater speed toward its next target: Pluto in 2015. During its encounter with Jupiter , New Horizons was able to capture new images of many Jovian moons , Jupiter's complex and ever-changing atmosphere , and Jupiter's Little Red Spot , pictured above . ...