The Surface Compositions of Pluto and Charon

@inproceedings{Cruikshank2015TheSC,
  title={The Surface Compositions of Pluto and Charon},
  author={Dale P. Cruikshank and William M. Grundy and Francesca E. DeMeo and M W Buie and R P Binzel and Donald E. Jennings and Catherine B. Olkin and Joel Wm. Parker and Dennis C. Reuter and John Ronald Spencer and S A Stern and L. A. Young and H A Weaver},
  year={2015}
}
Abstract The surface of Pluto as it is understood on the eve of the encounter of the New Horizons spacecraft (mid-2015) consists of a spatially heterogeneous mix of solid N 2 , CH 4 , CO, C 2 H 6 , and an additional component that imparts color, and may not be an ice. The known molecular ices are detected by near-infrared spectroscopy. The N 2 ice occurs in the hexagonal crystalline β-phase, stable at T  > 35.6 K. Spectroscopic evidence for wavelength shifts in the CH 4 bands attests to the… CONTINUE READING

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