The researchers used data from the rover and China’s Tianwen-1 Mars Orbiter to study the sand dunes of the Utopia Plain.
It turns out that dark ridges known as transverse wind ridges (TARs) have formed at the top of the dunes in the last 400,000 years.
Interestingly, these climate changes on Mars are associated with an ice age and a change in the planet’s rotation angle. Scientists state that this shows that Mars is also subject to climatic changes similar to Milankovitch cycles on Earth.
But the ice age on Mars proceeded in an unusual way, different from what is observed on our planet.
The researchers say that understanding the climate on Mars in the past could help explain the current features of the planet and relate them to ancient climate models.
Source: Ferra
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