Aboard the First Spacecraft to the Trojan Asteroids: NASA Ralph’s Next Adventure

Ralph, one of NASA’s most well-traveled space explorers, has voyaged far and accomplished much: Ralph obtained stunning images of Jupiter and its moons, followed by a visit to Pluto. And, in 2021, Ralph journeys to Jupiter’s Trojan asteroids. Ralph, however, is not an impossibly accomplished astronaut — it is a scientific instrument.

Source:: Goddard