Timeline event · 26 September 2022 · The Artemis Era
DART Alters an Asteroid's Orbit
NASA's DART deliberately crashes into the moonlet Dimorphos and measurably changes its orbit — the first demonstration that humanity could deflect an asteroid.
Highlights
- ›First test of planetary defence
Missions, people & worlds
Knowledge connections
- Part ofThe Artemis Era
- Associated withDART
Sources
The primary and reference sources this topic draws on.
- NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.