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Solar Winds Stripped Martian Atmosphere Beginning 4.2 B. Yrs Ago


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NASA MAVEN Indicates Martian Atmosphere Began to Be Stripped Off By Solar Storm Winds Beginning 4.2 Billion Years Ago When Mars Lost Its Protective Magnetic Field.

 

“Solar wind storms of a very active sun in the beginning of our solar system

began stripping the upper atmosphere of Mars away into space beginning 4.2 billion

years ago when Martian magnetic fields were lost for unknown reasons, while Earth's

strong magnetic fields have persisted and repelled the solar wind enough

to preserve the Earth's atmosphere.”

- Bruce Jakosky, Ph.D., Principal Investigator, NASA MAVEN Mission

 

 

NASA's MAVEN spacecraft launched in November 2013

and entered Martian orbit on September 22, 2014. Its mission has been

to study how Mars lost most of its atmosphere and water.

Artists' conception by NASA's Goddard Space Flight Center

image.jpeg

 

 

 

Illustration of Mars surrounded by strong solar storm wind that could

strip the Martian upper atmosphere beginning 4.2 to 3.7 billion years ago after Mars is

hypothesized to have lost its protective magnetic fields for unknown reasons. On the right,

Earth's strong magnetic fields still persist and deflect the solar wind. Illustrations by NASA

image.jpeg

 

Earth files.com

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Geologists theorize that the Earth's magnetosphere is created from the molten core. Maybe Mars did have a molten core at one time, but has cooled faster due to its smaller size. Then as it started losing its magnetosphere, the solar wind was allowed to bombard and shear off its atmosphere. Could be a logical hypothesis.

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