NASA Mars rover discovers weird string-like object that goes viral
Images were taken by Perseverance last week
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As far as scientists at NASA's Jet Propulsion Laboratory (JPL) know, there are not yet yarn factories on Mars.
So, the image of what looks like a small Martian tumbleweed had some social media users asking questions.
The shots were taken on Tuesday, July 12, or Mars Day 495.
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The Mars Perseverance rover acquired the photos using the onboard Front Right and Front Left Hazard Avoidance Camera A.
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One was selected by public vote to be "Image of the Week" last week.
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The popular theory, confirmed by a NASA spokesperson in an email to Gizmodo, is that the stringy clump is debris from the mission.
It is not the first time "Percy" has captured an image of debris.
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In June, the Perseverance team tweeted that they had spotted a piece of thermal blanket that may have come from the rover's descent stage.
"That shiny bit of foil is part of a thermal blanket — a material used to control temperatures," JPL wrote. "It’s a surprise finding this here: My descent stage crashed about 2 km away. Did this piece land here after that, or was it blown here by the wind?"
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Also on July 12, the team wrote the rover had collected its tenth rock core sample.