InSight's heat probe, called the Heat and Physical Properties Package (HP3). This image was taken while the heat probe was being tested in Germany, before InSight's launch. https://photojournal.jpl.nasa.gov/catalog/PIA23044
InSight's heat probe, called the Heat and Physical Properties Package (HP3). This image was taken while the heat probe was being tested in Germany, before InSight's launch. https://photojournal.jpl.nasa.gov/catalog/PIA23044