At the International Supercomputing Conference in Hamburg, Germany, NASA has announced that its Pleiades supercomputer is now ranked seventh among the world’s most powerful computers. It has 182 racks for a total of 11,648 nodes, a total of 185 TByte of RAM, a total of 6.9 PByte mass storage and to run this supercomputer there’s the Linux operating system, specifically SuSE Linux.