Spires of ice on Jupiter’s moon Callisto

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Well for a long time Callisto was thought to be geologically dead as it is the most heavily cratered world in the solar system. However, NASA’s Galileo spacecraft in 2001 revealed mountains with caps of frost, as well as giant Read More …

Half the population of Iceland

Iceland-population

Iceland, also called Republic of Iceland is a Nordic island country between the Atlantic and the Arctic ocean. It has a population of just 332 000 inhabitants (it means just 3.15 people per square kilometer), making it the most sparsely Read More …