NASA's Curiosity rover spent Sols 4920 through 4926 surveying layered bands of rock on the slopes of Mount Sharp, the 5.5-kilometer-high mountain within Gale Crater. Rather than a music festival's stages, the rover is methodically ascending through physical bands of exposed strata, each with its own textural and tonal characteristics.
Curiosity's primary tool for this survey is its Mast Camera, which captures high-resolution color images of distant rock layers. The rover also relies on its ChemCam instrument, which fires a laser to vaporize small spots on rock surfaces and analyze their chemical composition. These data help scientists identify variations in mineralogy as Curiosity climbs higher.
These observations occurred between June 12 and June 18, 2026, as part of a continuing climb that has spanned more than a decade. Curiosity landed on Mars in August 2012 and has been gradually ascending Mount Sharp since 2014, with periodic pauses for detailed scientific investigations.
The banded layers record different ancient environmental conditions. Each stratum represents a distinct chapter in Mars' early history, potentially revealing how the planet's climate shifted from a warm, wet world to the cold desert it is today.
Curiosity's ongoing survey contributes to NASA's broader Mars Exploration Program. It also supports site selection for future missions, including the Mars Sample Return campaign, which aims to collect and return Martian rock samples to Earth later this decade.