Sulfur, Sulfur Dioxide And Graphitized Carbon Observed On Asteroid For First Time

Hubble Space Telescope observations of the dwarf planet Ceres have discovered the first evidence of sulfur, sulfur dioxide and graphitized carbon found on an asteroid. The sulfur species are likely associated with regions of recent activity, reports Planetary Science Institute Senior Scientist Amanda Hendrix. The discoveries were made by comparing Ceres’ ultraviolet-visible spectra to laboratory …Read More

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Bennu: How A Little Asteroid Became A Rock Star

July 7, 2016 – Carl Hergenrother fingers a stack of white, 8½- by 11-inch paper that sits before him on his desk. As he flips through the inch-thick dossier, lines of type are clearly visible. “This is everything we know about Bennu,” said Hergenrother, glancing down at the pile of paper. Hergenrother is a staff …Read More

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