Planetary defense: scientists believe that the impact of the DART probe against the asteroid Dimorphos completely reshaped it. DART, humanity's first practices to learn how to deflect an asteroid: "A rock like DimorphOS could devastate Spain" To know if they are right, we will have to wait for the inspection carried out by the Hera spacecraft of the European Space Agency (ESA), scheduled for September of this year, although it will not arrive until December 2026.