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InSight

Map of Mars surface with symbols indicating seismic activity.
Posted inEditors' Highlights

Where the Wild Marsquakes Are

by Laurent G. J. Montési 1 November 202331 October 2023

A new analysis of the seismic data gathered by the InSight lander reveals that marsquakes occur across a much larger area of the planet than previously believed.

Black and white photo of particles and a bar graph.
Posted inEditors' Highlights

Dust in the (Martian) Wind

by Laurent G. J. Montési and Germán Martinez 31 May 202330 May 2023

The InSight Lander, on Mars, intentionally dumped sand over its seismic instrument’s tether and the wind sorted the particles by size as it blew them away.

Black-and-white satellite photo of the Martian surface before and after a meteor impact
Posted inNews

Meteor Impact Could Inform Martian Mysteries

by Caroline Hasler 16 December 202216 December 2022

The impact sent surface waves rippling over the Martian surface all the way to NASA’s InSight lander, giving scientists a rare view of the planet’s outer layer.

Cross-sectional illustration of Mars showing the location of the InSight lander, the site of a meteorite impact, and different seismic wave paths from the impact that InSight detected
Posted inResearch Spotlights

Powerful Impact Provides Insight into Deep Structure of Mars

Rachel Fritts, Science Writer by Rachel Fritts 14 November 202214 November 2022

Seismic signals detected by the InSight lander show that the planet’s lower mantle may be less homogenous than previous models have suggested.

An artist’s rendering of InSight on the surface of Mars
Posted inResearch Spotlights

Constraining Martian Crustal Thickness with InSight Seismology

by Morgan Rehnberg 12 July 202212 July 2022

The first seismic observations from Mars significantly reduce uncertainty in estimates of the Red Planet’s crustal structure.

NASA’s InSight lander, covered in dust on Mars
Posted inNews

More Than Marsquakes: InSight Yielded Magnetism, Weather Discoveries

Ilima Loomis, Science Writer by Ilima Loomis 16 June 202217 June 2022

A secondary suite of instruments on the Mars lander produced a first look at magnetic fields from the planet’s surface.

Detail from Eos Mars poster
Posted inNews

Mars from the InSight Out

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 22 November 202128 March 2023

There’s a seismometer on Mars, and it’s been busy! Download our free illustrated poster.

Image of a canyon in the Cerberus Fossae region on Mars. One side of the canyon is in shadow, whereas the other is brightly illuminated.
Posted inNews

Summer Could Be Earthquake Season on Mars

by Elise Cutts 1 November 202129 June 2022

InSight data hint that shifting carbon dioxide ice loads, illumination changes, or solar tides could drive an uptick in marsquakes during northern summer—a “marsquake season.”

Schematic of the mechanical design of the Heatflow and Physical Properties Package radiometer
Posted inEditors' Highlights

Insights from Calibration of the HP³ Radiometer on InSight

by Kristy Tiampo 27 July 202022 June 2022

A detailed analysis of Heatflow and Physical Properties Package Radiometer on the Mars InSight lander, including changing instrument sensitivity and calibration coefficients.

A crust fracture and craters on Mars
Posted inFeatures

A Modern Manual for Marsquake Monitoring

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 11 December 201922 June 2022

Thanks to some extraordinary engineering, the InSight mission has led the new field of Martian seismology to the development of a new planetary magnitude scale in less than a year.

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