Tag Archives: trace

New images of NASA’s Perseverance rover, along with its parachute, heat shield and descent stage, were captured by the CaSSIS camera aboard ESA’s Trace Gas Orbiter (TGO) on February 23, 2021. TGO spotted the Perseverance rover, along with its parachute and back shell, heat shield and descent stage, in the …

The source of hydrogen chloride (HCl) in the atmosphere of Mars is recent surface volcanism, subsurface magmatic activity, or aerosol chemistry occurring with the Martian dust particles lofted into the atmosphere. HCl increased during the 2018 global dust storm and declined soon after its end, pointing to the exchange between …

A team of paleontologists from the University of Alberta has found the fossilized tracks of a marine wood-boring organism that lived approximately 110 million years ago (Cretaceous period). Apectoichnus lignummasticans. Image credit: Melnyk et al, doi: 10.1017/jpa.2020.63. Trace fossils are biologically produced sedimentary structures that include tracks, trails, burrows, borings, …

ESA’s Trace Gas Orbiter Detects Glowing Oxygen Using data from the NOMAD (Nadir and Occultation for Mars Discovery) ultraviolet and visible spectrometer instrument on board ESA’s ExoMars Trace Gas Orbiter (TGO), a team of researchers has detected green line dayglow emission in the atmosphere of Mars. An artist’s impression of …

ESA’s ExoMars Trace Gas Orbiter (TGO) has sent back its first color image of Phobos, the larger and inner of the two natural satellites of Mars. Color composite of Phobos taken with TGO’s CaSSIS camera on November 26, 2016. The observation was made at a distance of 4,785 miles (7,700 …