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strange rocksCNN
•78% Informative
Curiosity rover makes its most unusual find to date on Mars : rocks made of pure sulfur.
“I have to say, there’s a lot of luck involved here. Not every rock has something interesting inside,” Curiosity project scientist Ashwin Vasavada says.
The rover had already discovered sulfates on Mars , or salts that contain sulfur that are formed when water evaporates.
An analysis of the rock’s dust revealed a larger variety of minerals than ever seen before during the mission.
Pure sulfur only forms under certain conditions on Earth , such as volcanic processes or in hot or cold springs.
The team continues to analyze the data Curiosity collected to determine how and when each mineral formed.
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