Beautiful Barchans

Barchan sand dunes in Mars’ Arkhangelsky Crater This image from the Mars Reconnaissance Orbiter’s HiRISE camera features a barchan dune within the floor of Arkhangelsky Crater on Mars, one of its forward-facing “horns” displaying a sharp, serpentine ridge. The dunes in Arkhangelsky Crater are made of darker-colored material than the surrounding landscape, although the image…

Back in Action

“I know everything hasn’t been quite right with me. But I can assure you now, very confidently, that it’s going to be all right again.” This mesmerizing video montage showing beautiful high-resolution views of Martian landscapes opens with the fortunate foreshadowing of today’s news that the Mars Reconnaissance Orbiter has resumed full operations since being…

Off to Marquette

The rover Opportunity took this false-color photo of another possible stony meteorite dubbed “Marquette Island” on Monday December 7. These objects stand out on the barren sandy plain that Opportunity is currently traveling across on its way to Endeavour Crater and provide interesting targets for investigation. The rover has already used its Rock Abrasion Tool…