Science, Space and Technology News 2024
Scientists at the Scripps Institution of Oceanography have analyzed Martian meteorites, providing insights into Mars’ mantle and crust structure. These meteorites, originating from volcanic processes similar to those on Earth but with unique characteristics, help us understand Mars’ formation and evolution. This research supports recent NASA missions by offering a deeper understanding of Martian geology.
Since then, more such meteorites have been discovered in locations including Mauritania and Antarctica. Scientists are able to identify Mars as their place of origin because these meteorites are relatively young, so come from a recently active planet, have distinct compositions of the abundant element oxygen compared to Earth, and retain the composition of Mars’ atmosphere measured on the surface by the Viking landers in the 1970s.
The same is true on Mars. The team showed that these rocks are related to each other through a process known as fractional crystallization within the volcano in which they were formed. Using the composition of these rocks, they also show that some of the then-molten nakhlites incorporated portions of crust close to the surface that also interacted with Mars’ atmosphere.
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Martian meteorites deliver a trove of information on red planet's structureMars has a distinct structure in its mantle and crust with discernible reservoirs, and this is known thanks to meteorites that scientists at Scripps Institution of Oceanography at UC San Diego and colleagues have analyzed on Earth.
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