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Mars soil appears grey, not red

We calls Mars the "Red Planet," but it might be time to re-think that name.

http://www.ksdk.com/video/2179568554001/1/Mars-soil-appears-grey-not-red http://bcdownload.gannett.edgesuite.net/ksdk/35121359001/35121359001_2180194550001_th-51262bb8e4b03302f05d8141-1083021587001.jpg?pubId=35121359001 Mars soil appears grey, not red We calls Mars the "Red Planet," but it might be time to re-think that name. redSOiLrovernationalNASAgreymars curitosityNewsKSDK 00:44

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