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Visible and near-infrared reflectance spectra of Sedna, Makemake, Pluto, and Eris

Visible and near-infrared reflectance spectra of Sedna, Makemake, Pluto, and Eris

Mike Brown

Visible and near-infrared reflectance spectra of Sedna, Makemake, Pluto, and Eris
Spectra of four of the largest and most volatile rich Kuiper belt objects. The prominent methane (CH4) absorption lines can be seen on all objects. The weaker carbon monoxide (CO) and molecular nitrogen (N2) lines can only be detected on Pluto. Figure 1 from Brown (2012): "The compositions of Kuiper belt objects."

Original image data dated on or about December 13, 2011

Explore related images: trans-neptunian objects, 136472 Makemake (2005 FY9), Pluto, 136199 Eris (2003 UB313), 90377 Sedna (2003 VB12), explaining science, dwarf planets beyond Neptune

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