NASA is crashing a spacecraft into an asteroid to test a plan that could one day save Earth from catastrophe
- Written by Svetla Ben-Itzhak, Assistant Professor of Space and International Relations, Air University

On Sept. 26, 2022, NASA plans to change an asteroid’s orbit.
The large binary asteroid Didymos and its moonlet Dimorphos currently pose no threat to Earth. But by crashing a 1,340-pound (610-kilogram) probe into...