New Discovery Could Explain What Gives Mars its Red Color — VOA Learning English
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Scientists say they might have identified the mineral on Mars that is responsible for making the planet appear red.
New data collected on Mars through several methods suggests the substance, called ferrihydrite, is likely found in dust and rock material across wide areas of the planet. The team carrying out the research describes ferrihydrite as an “iron oxide mineral.”
The mineral appears reddish in color and can form in water-rich environments. The scientists said discovering large amounts of it on Mars adds to existing evidence that the planet might have held a large supply of liquid water in the past.
The research was carried out by an international team led by America’s Brown University…
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