Mysterious Martian “spider” formations first observed on the Red Planet more than two decades ago are now being recreated in the lab, providing researchers a deeper understanding of what conditions lead to their formation.
These unusual geologic features, which were initially found along the Red Planet’s southern hemisphere in 2003, have been linked to the presence of carbon dioxide and reveal its role in shaping the appearance of the Red Planet’s unique landscape.
Unraveling the Martian Spider Mystery
In a recent series of experiments, researchers at NASA’s Jet Propulsion Laboratory (JPL) successfully replicated conditions on Mars to help them learn more about these odd, spider-like formations, which are formally known as araneiform terrain.
The odd sprawling features, which can stretch up to a kilometer in length, are now believed to be the product of a combination of exposure to solar radiation through sunlight, along with the presence of carbon dioxide ice and underlying sublimation processes.
The result, based on the new experimental findings at JPL, are intricate Martian “spider” shaped structures that adorn the Red Planet’s southern hemisphere.
Each of the araneiform terrain features can span more than half a mile, producing hundreds of “legs” that stem outward from the central formation. Based on JPL’s recent…
Source thedebrief.org
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