
This picture shows a series of stacked optical navigation images showing the Lucy spacecraft's progress on approach to Donaldjohanson.
Credit: NASA/Goddard/SwRI/Johns Hopkins APL
HOUSTON—Lucy, NASA's mission to explore a family of asteroids known as Trojans that accompany Jupiter around the Sun, carried out its second close approach to a main-belt asteroid on April 20. The Lucy spacecraft skimmed within 600 mi. of Donaldjohanson, a fragment from an estimated asteroid...
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