In two new studies, published today in the journal Nature, the dwarf planet Ceres reveals some of its most eye-catching secrets. In the first study, researchers identify the bright material that is causing Ceres’ mysterious spots as hydrated magnesium sulfates. The second study suggests the detection of ammonia-rich clays, raising questions about how the dwarf planet formed. This false-color image shows the dwarf planet Ceres. Scientists use false...
