Bruce Murray Space Image Library

DART looks at the Didymos system roughly an hour before impact

DART looks at the Didymos system roughly an hour before impact
DART looks at the Didymos system roughly an hour before impact As DART moved closer and closer to impacting Dimorphos, its parent asteroid, Didymos, appeared as a small — but very bright — dot. The moonlet Dimorphos was hardly visible, if at all. NASA/Johns Hopkins APL