PASADENA, Calif. — Scientists have solved the mystery of the “jelly doughnut” rock on Mars that appeared to come out of nowhere. NASA said Friday that a wheel of the rover Opportunity broke it off a larger rock and then kicked it into the field of view.
Mystery of the jelly doughnut rock on Mars — solved at lastLos Angeles Times
Mystery of Mars ‘doughnut rock’ solvedCNN
NASA solves mystery of ‘jelly donut’ on MarsFox News
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