The results of Hera's flyby could ultimately tell us whether Deimos is a captured asteroid or made from debris from a giant impact on Mars.

The newly released image showcases Deimos against the backdrop of Mars, with its distinct surface features illuminated in near-infrared light. Visible in the background are major Martian landmarks ...

The images presented show Deimos set against a backdrop of the Red Planet below it as Hera flew within 3,100 miles (5,000 kilometers) of Mars and just 621 miles (1,000 kilometers) of Deimos.