Blog PostsFriends | Martian BlueberriesDo you know, Mars has blue berries! You don't believe it. Here is the picture taken by Mars Rover Opportunity. These blue rocks, Opportunity discovered, got named as Blueberries by NASA. These rocks are made of Hematite and Jarosite and formed when exposed to acidic water. Fannysu: I first thought they could be real. 3 years ago • Report 0 |