This is an archive of AGU's GeoSpace blog through 1 July 2020. New content about AGU research can be found on Eos and the AGU newsroom.

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7 February 2020

Surfing space dust bunnies spawn interplanetary magnetic fields

New research finds that fine dust from pulverized space rocks is riding the solar wind past multiple spacecrafts, which are detecting the clouds of fine debris as a temporary changes in the local magnetic field.


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22 December 2015

Ancient solar storms may explain how Mars morphed into a cold, barren desert

In March of this year, the sun hurled a giant magnetic solar storm into Mars. The solar wind, full of charged particles, slammed into the red planet’s atmosphere, bouncing or “sputtering” the oxygen into deep space.

Researchers now think the same process could have evaporated Mar’s water several billion years ago, according to a new study presented at the 2015 American Geophysical Union Fall Meeting and recently published in AGU’s publication Geophysical Research Letters.


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