Scientists: Mars’ moon Deimos is a rubble pile shaped by a major impact

Based on computer models using data both from the earliest close-up imagery from the Viking orbiters in the 1970s as well from recent data from Europe’s Hera asteroid probe during a fly-by in 2025, scientists now believe Mars’ smaller moon Deimos is a rubble-pile asteroid whose smooth surface was shaped by a major impact sometime in its past. You can