Mars has long been recognised for its striking red hue, a defining characteristic that has earned it the title of the ‘Red Planet.’ For years, the prevailing explanation pointed to iron oxide—commonly known as rust—forming in the planet’s dust. This process, scientists believed, took place over billions of years as iron minerals were ground down and distributed by Martian winds. New findings now indicate that Mars’ red colour may hold deeper implications, particularly in understanding the role of water in shaping the planet’s history. New Findings on Martian Dust According to a study published in Nature, researchers attempted to recreate Martian dust by using various types of iron oxides in laboratory settings. The team, led by Adomas Valantinas, a postdoctoral researcher at Brown University, analysed the dust using techniques employed by orbiting spacecraft. As per reports, their research revealed that the best match for Mars’ distinctive dust is a combination of basaltic volcanic rock and ferrihydrite, an iron oxide that forms in water-rich environments. Water’s Role in Mars’ Red Colour As per data collected from …