'The Sahara Represents A Very Important Reservoir Of Extraterrestrial Material’: Why A Rare Rock From Mars That Sold For $5.3 Million Is Drawing Mixed

'The Sahara Represents A Very Important Reservoir Of Extraterrestrial Material’: Why A Rare Rock From Mars That Sold For $5.3 Million Is Drawing Mix ...

'The,Sahara,Represents,A,Very,Important,Reservoir,Of,Extraterrestrial,Material’: