Devoted to planetary science, this special issue includes amazing images from NASA’s New Horizons mission to Pluto, an investigation into auroras on planets other than Earth, and an analysis of what we know about Vesta and Ceres – the two largest bodies in the main asteroid belt. Plus the inside story of NASA’s Juno mission and what it hopes to achieve. Don’t miss either our feature on Planet Nine, in which Konstantin Bataygin from the California Institute of Technology explains what led him and astronomer Mike Brown to propose the existence of a ninth planet in our solar system.
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