Gravity Assist: Lucy and the Space Fossils, with Hal Levison por NASA

Por NASA

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Gravity Assist: Lucy and the Space Fossils, with Hal Levison

The planets of our solar system didn’t have such stable orbits a few billion years ago. The giant outer planets moved around chaotically in their orbits, and Uranus and Neptune may have even switched places. To get a more complete understanding of the full history of our solar system, NASA is sending a spacecraft called Lucy to investigate the Trojans, mysterious small objects that share an orbit of the Sun with Jupiter. Principal investigator Hal Levison of the Southwest Research Institute’s branch in Boulder, Colorado, discusses this exciting mission, launching Oct. 16, 2021.