In 2003, strange features on Mars’s surface got scientists’ “spidey senses” tingling when they saw them. That’s when unusual “anareiform terrain” landforms appeared in images from the Mars Reconnaissance Orbiter. They’ve returned each year, spreading across the southern hemisphere surface. At first, nobody knew what caused these weird wrinkly spider-like formations. Now, NASA researchers have …
In 2003, strange features on Mars’s surface got scientists’ “spidey senses” tingling when they saw them. That’s when unusual “anareiform terrain” landforms appeared in images from the Mars Reconnaissance Orbiter. They’ve returned each year, spreading across the southern hemisphere surface. At first, nobody knew what caused these weird wrinkly spider-like formations. Now, NASA researchers have …
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