Browse Journal Highlights

Highlights include enriched and related content of notable journal articles presented on Eos org AGU org AGU On Demand and in AGU journals

An explanation for the formation of hydrogen peroxide on the surface of Mars

Editor’s Highlight— Understanding the fate of organics on Mars is critical to the search for biosignatures in the near-surface materials. This manuscript illustrates how cosmic radiation acting on perchlorates may produce additional oxidants in the form of hydrogen peroxide (H2O2) that may transform.... more

Ripples and deposits on Martian dunes

Editor’s Highlight—   This paper provides an overview of the Mars Science Laboratory’s rover “Curiosity” month-long exploration of the Bagnold dune field, in particular the exploration of the High and Namib dunes. The authors document a series of observations from the stoss and lee slopes of these dunes.... more

Reading the rocks that reveal the history of impact events

Editor’s Highlight—   This paper considers the diffusion of heat and argon in a complex medium representing a polygenetic impact melt breccia. Using straightforward numerical methods, the authors explore a wide range of heating scenarios of target rocks that could represent surficial material of the.... more

Aeolian Saltation on Mars at Low Wind Speeds

Editor’s Highlight—   There has been a long-standing discrepancy between (i) low wind speeds on Mars as observed by landed instruments and predicted by numerical atmospheric models, as well as a high friction speed threshold for saltation on Mars determined by wind tunnel simulations, and (ii) evidence.... more

Mineralogy of an Active Eolian Sediment from the Namib Dune, Gale Crater, Mars

Editor’s Highlight—   The dark basaltic dunes in the Gale crater on Mars are active, therefore their mineralogy is a good starting point for understanding Martian basalts and other dune compositions, particularly because the actual compositions of the constituent minerals were derived. This paper examines.... more

Radar used to survey enigmatic region of Mars

Editor’s Highlight—   The Medusae Fossae Formation on Mars is important because it is a voluminous unit that likely contains a well-preserved record of the transition between the eras of fluvial incision, erosion and deposition and the more arid geological processes observed today. Previous research.... more

Analysis of the sedimentary composition of a Martian dunefield

Editor’s Highlight— This paper presents findings from an in-situ analysis of an active dunefield on Mars. The observations advance previous studies at Gusev Crater, which suggested that olivine may get sorted as a mineral more resistant to weathering under the arid, eolian conditions of sediment transport.... more

Curiosity Spies Shifting Sands on Mars

Mark Zastrow, Freelance Writer

From Research Spotlights— Images from the rover’s pioneering encounter with sand dunes on Mars constrain wind speeds required to move sand in the thin Martian atmosphere. A plucky droid on a mission traverses a field of sandy dunes, alone on a vast, alien desert sea. It’s an image straight.... more

Where Are the Electrical Currents in the Enceladus Plume?

Mark Zastrow, Freelance Writer

From Research Spotlights— A plume of water ice that escapes Saturn's moon Enceladus should be coursing with electrical currents—but data are mixed. Now simulations suggest that a sticky dust cloud may shield signals. In 2006, when NASA's Cassini probe arrived at Saturn and began studying the.... more