This handout photo provided by NASA/JPL-Caltech/MSSS shows part of the small pit or bite created when NASA's Mars rover Curiosity collected its second scoop of Martian soil at a sandy patch called "Rocknest." (AP …
An Interstate 5 bridge over a river collapsed north of Seattle,…
Updated: Friday, 19 Oct 2012, 7:31 AM EDT
Published : Friday, 19 Oct 2012, 7:31 AM EDT
WASHINGTON (AP) — NASA's Mars rover Curiosity has dug up a mini-mystery for scientists: an odd white fleck that sticks out like a beacon in the reddish soil.
It looks out of place, but scientists said Thursday that it's probably just a different hued bit of Martian soil.
It's only 1 millimeter in size and was spotted after the rover used its mechanical scoop to dig up some dust.
Project scientist John Grotzinger said researchers first thought it was earthly contamination from Curiosity. But it's likely natural Martian soil that looks different because of the way it's angled in the light or how the soil broke apart. Or it could be made of different minerals.
Curiosity will use its camera and instruments to try to learn more about what it is.
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