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Martian rockJPL
•87% Informative
An arrowhead-shaped rock contains fascinating traits that may bear on the question of whether Mars was home to microscopic life in the distant past.
The rock exhibits chemical signatures and structures that could possibly have been formed by life billions of years ago when the area being explored by the rover contained running water.
Other explanations for the observed features are being considered by the science team.
The Cheyava Falls rock is filled with millimeter-size crystals of olivine, a mineral that forms from magma.
The team has another question to answer: Could the mineral have been introduced to the rock at uninhabitably high temperatures creating an abiotic chemical reaction that resulted in the leopard spots?.
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