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Mars

Posted inEditors' Highlights

Where the Solar Wind Meets Mars

by M. Liemohn 12 January 201812 October 2022

A comprehensive look at how the solar wind is diverted around Mars, including the relative strength of the three biggest forces at work in this region.

A lidar image of mysterious features on Earth called a Carolina Bays.
Posted inNews

Four Planetary Landscapes That Scientists Can’t Explain

by JoAnna Wendel 11 December 2017

These are just a handful of the hundreds of mysterious features across our solar neighborhood that beg to be studied closer.

Posted inEditors' Highlights

Where Did the Water Go on Mars?

by A. Yau 28 November 20174 May 2022

Primordial solar storm conditions are believed to have significantly enhanced the loss of water and other atmospheric volatiles in Mars’ history.

Posted inEditors' Vox

A Rover’s Eye View of Moving Martian Dunes

by A. Deanne Rogers and Bethany Ehlmann 21 November 20173 January 2023

A new special issue of JGR: Planets presents findings on sand motion, morphology, and mineralogy from the Curiosity rover’s traverse of the active Bagnold dune field in Gale crater.

: Researchers examine the origins of plasma ropes in Mars’s magnetotail
Posted inResearch Spotlights

Angles of Plasma Ropes near Mars Point to Different Origins

by Sarah Stanley 11 October 20174 May 2022

Variation in the orientation of flux rope features in Mars’s magnetotail suggests that some of them form on the planet’s Sun-facing side and travel to the night side.

Researchers examine images taken by NASA’s Curiosity rover to see how Martian sand dunes form.
Posted inResearch Spotlights

Curiosity Spies Shifting Sands on Mars

by Mark Zastrow 29 June 201728 July 2022

Images from the rover’s pioneering encounter with sand dunes on Mars constrain wind speeds required to move sand in the thin Martian atmosphere.

Sen. Ted Cruz talks about America’s role in space exploration and maintaining the security of our nation’s satellites.
Posted inNews

Scientists, Policy Makers Push for Mars Exploration

by Randy Showstack 19 May 201726 January 2022

At a recent forum, Sen. Ted Cruz also announced a Senate hearing to revisit the half-century-old Outer Space Treaty, and he warned about potential military threats to the nation’s satellites.

Posted inEditors' Vox

Insights into the Habitability of Mars

by M. Rice 15 May 20173 January 2023

NASA’s Curiosity rover explored the Kimberley region of Mars to search for signs that the planet was once habitable.

Researchers try out a mathematical model assessing Martian solar irradiance.
Posted inResearch Spotlights

Spacecraft Returns Its First Data on Martian Solar Irradiance

by Sarah Stanley 10 May 201718 January 2023

Scientists demonstrate the capabilities and limitations of the mathematical model used to calculate solar irradiance using measurements from NASA’s Mars Atmosphere and Volatile Evolution (MAVEN).

A view of Mars’s south polar ice cap, taken by Mars Express.
Posted inScience Updates

Mars Polar Intrigue Spurs Multidisciplinary Collaboration

by I. Smith, D. Beaty and T. Thorsteinsson 20 March 20178 March 2022

Sixth International Conference on Mars Polar Science and Exploration; Reykjavík, Iceland; 5–9 September 2016

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