Martian ‘blueberries’ might maintain indicators of historic water, new examine suggests

The floor of Mars is dotted with thousands and thousands of tiny, spherical crystals averaging a couple of tenth of an inch (2.5 millimeters) in diameter. Although these teensy spherules assist give the Pink Planet its rusty shade, their seemingly blue look in a false-color NASA picture from 2004 has earned them the nickname “blueberries.”

Determined astronauts attempting to juice these “berries” will probably be disenchanted to be taught that they’re truly hematite — mineral compounds composed of iron and oxygen. Nonetheless, a brand new evaluation of comparable minerals on Earth means that this may occasionally not at all times have been the case. Based on a brand new examine, the blueberry stones of Mars might actually be hydrohematite — iron oxide minerals that additionally maintain microscopic traces of historic water.


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