MAVEN Reveals Mars Argon Loss to Space
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- Visualizations by:
- Lisa Poje
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Infographic explaining the MAVEN argon results. Enlarge or click "download" for print-resolution versions. Also available in text-readable PDF for the visually impaired.
Solar wind and radiation are responsible for stripping the Martian atmosphere, according to results from NASA's MAVEN mission. By measuring light and heavy isotopes of argon in the Martian atmosphere, scientists have determined that the majority of the planet's air and water were removed to space by sputtering. In this process, ions from the Mars atmosphere get picked up by the solar wind and slammed into other atoms at the top of the atmosphere, knocking them into space.
Scientists used measurements of light and heavy argon from MAVEN and NASA's Curiosity rover to determine that sputtering has removed 65% of Mars' argon to space, along with the majority of other gases like carbon dioxide. Over billions of years, this transformed Mars from a hospitable environment into the cold, dry planet that we see today.
Learn more about the MAVEN argon loss finding.
For More Information
See NASA.gov
Credits
Please give credit for this item to:
NASA's Goddard Space Flight Center
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Animators
- Lisa Poje (USRA) [Lead]
- Chris Smith (KBR Wyle Services, LLC)
- Michael Lentz (KBR Wyle Services, LLC)
- Walt Feimer (KBR Wyle Services, LLC)
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Science writer
- William Steigerwald (NASA/GSFC)
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Scientist
- Bruce Jakosky (LASP)
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Producer
- Dan Gallagher (KBR Wyle Services, LLC)
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Support
- Matthew Radcliff (KBRwyle)
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Technical support
- Aaron E. Lepsch (ADNET Systems, Inc.)
Missions
This visualization is related to the following missions:Related pages
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