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Curious places in Mars
3 articles, each fact-checked and tied to a spot you can stand on.
Planetary GeologyPhobos
A 90-meter boulder on Mars's moonA 90-meter boulder casting a long shadow on Mars's moon. Just a rock. But its striking isolation sparked endless conspiracy theories about alien monuments.
scienceCydonia
The 1976 Face on Mars IllusionA mesa photographed in 1976 that resembles a face, with later images showing it's clearly natural. But the psychological impact raises questions about pattern recognition.
scienceAeolis quadrangle
The 21 Parts-Per-Billion QuestionMethane appears seasonally in Mars atmosphere then vanishes. Could be geological or biological, detection methods disagree on amounts.
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