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MAVEN Science Spotlights

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2021

MAVEN Postcard from Mars!

December 6, 2021

MAVEN sent us a postcard from Mars! Talk about an Earth look-a-like! During a routine image session, the Imaging Ultraviolet Spectrograph (IUVS) instrument aboard MAVEN snapped a mid-ultraviolet image of Mars, which has been scaled to visible wavelengths to produce this image. It’s a cloudy time of year on Mars, and we see some spiral-shaped […]

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Dust storms drive water loss at Mars

April 18, 2021

MAVEN measurements reveal surprising amounts of water in the upper atmosphere of Mars.How does this water abundance vary, and what impact does it have on escape to space?

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2020

Circulation in the middle atmosphere of Mars revealed by MAVEN

October 1, 2020

Ultraviolet emission from the nightside of Mars can be used to infer circulation patterns in the middle atmosphere. What controls these atmospheric motions?

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What causes ‘clumping’ in the Martian ionosphere?

July 10, 2020

MAVEN has revealed that the highly charged Martian ‘ionosphere’ has small-scale pockets where the particle density is either higher or lower than the surroundings. How do these regions form?

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MAVEN Observes Time-Shifted Solar Minimum at Mars

April 14, 2020

MAVEN is observing the influence of solar energetic inputs on the Mars upper atmosphere. How do solar inputs vary due to both solar cycle and the planet’s eccentric orbit?

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MAVEN Reveals Global Wind Patterns in Mars’ Upper Atmosphere

April 1, 2020
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Why is there so much argon at high altitudes above Mars?

January 23, 2020
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2019

New model reveals that electron energy loss near Mars is an illusion

December 12, 2019
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Mars CO2 Inventory Determined Using Results From Multiple Spacecraft

August 9, 2019
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MAVEN Discovers Traveling Ionospheric Disturbances at Mars

July 24, 2019
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The Gateway to the Mars Upper Atmosphere Breathes In and Out

March 14, 2019
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MAVEN Provides First Look at Mars Dayside Magnetic Reconnection

March 14, 2019
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2018

MAVEN Discovers Mars Proton Aurora

November 8, 2018
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2017

Mars Boils Over

June 8, 2017
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Permanent Presence of Meteoritic Metal Ions in Mars’ Upper Atmosphere

April 29, 2017
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First 3-D Map of Mars Magnetic Topology

April 28, 2017
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MAVEN discovers Kelvin-Helmholtz vortices at Mars

April 27, 2017
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Martian Magnetic Storms

April 26, 2017
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Mars’ Climate Change: Where Did the Gas from an Early, Thick Atmosphere Go?

April 25, 2017
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MAVEN Detects Steep Drop in Hydrogen Escape at Mars

January 25, 2017
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2016

MAVEN finds dynamic electrons at Mars

May 20, 2016
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2015

MAVEN maps the planetary ion fluxes near Mars

December 7, 2015
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MAVEN Finds Escaping Ions Form “Mohawk” Pattern of Polar Plumes

June 25, 2015
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MAVEN Observes Mysterious Dust Cloud Surrounding Mars

March 23, 2015
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MAVEN Detects Unexpected Aurora on Mars

March 22, 2015
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Ultraviolet image of Comet Siding Spring’s Hydrogen Coma

January 12, 2015
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2014

Particles and Fields cruise observations

July 2, 2014
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IUVS cruise observations

June 3, 2014
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