MARTIAN BLUEBERRIES Subject: Science & tech Context: Martian ‘blueberries’ find a parallel on Earth. Similar haematite concretions have been found in Kutch, Gujarat. Concept: In 2004, NASA’s Mars exploration rover ‘Opportunity’ found several small spheres on the planet, informally named Martian blueberries. Opportunity’s spectrometers studied the mineralogy and noted they were made of […]