Chasing an Asteroid's Shadow

Observing occultations from Earth is one of the tools scientists have for gathering precise information about the size and shape of Lucy’s target destinations, known as “Trojan” asteroids. Video credit: NASA's Goddard Space Flight Center James Tralie (ADNET): Lead Producer Lead Animator Lead Editor Narrator Allison Gasparini (NASA/Intern): Writer Lonnie Shekhtman (ADNET): Writer Music is "No Lights" from Claude Samard of Universal Production Music.