NASA’s Lucy Could Reveal the Origin of the Solar System

Lucy will pass a set of asteroids orbiting the Sun near Jupiter known as the Trojans.

via Scientific American

The US$981-million Lucy mission lifted off from Cape Canaveral, Florida on 16 October, and will spend the next 12 years performing gravitational gymnastics to swoop past six of the asteroids, known as Trojans, to snap photos and determine their compositions. Scientists think the Trojans will reveal information about the formation and evolution of the Solar System. The mission’s name reflects their hopes: Lucy is the 3.2-million-year-old hominid fossil unearthed in 1974 in Ethiopia that unlocked secrets of human origins.

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