‘Mars is not red’: New research suggests a surprising origin for its color

Produced by: Manoj Kumar

Rusty Surprise

Mars turned red from water-induced oxidation, not dry hematite rusting—rewriting planetary history.

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Watery Past

New findings suggest Mars rusted while still wet, shifting timelines for its ancient lakes and rivers.

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Meteorite Clues

A Martian meteorite on Earth helped confirm that ferrihydrite, not hematite, tinted Mars red.

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Grinding Proof

Scientists pulverized iron minerals to Martian dust size, proving ferrihydrite’s role in Mars’ color.

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Dusty Deception

Mars’ red dust lacked signs of water, leading scientists to a false hematite theory for decades.

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Ancient Chemistry

Ferrihydrite forms rapidly in cool water, implying Mars’ oxidation happened much earlier than believed.

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Orbiting Evidence

Spacecraft data helped confirm ferrihydrite’s presence, altering our view of Mars’ wet history.

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Red Planet Rethink

Mars didn’t just dry out—its signature rust formed in a way that preserves water’s ancient mark.

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Sample Revelation

Future Mars samples will finally confirm how much ferrihydrite exists—and if life once thrived.

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