This is an intensity vs. wavelength graph of the infrared photons detected by Spitzer while focused on HOPS-68.
The image is credited in the news report to NASA/JPL-Caltech/University of Toledo, as is the image NASA Spitzer Image forsterite rain onto HOPS-68.jpg already on commons.
2013-08-03 20:07:05
This image appears in a news report entitled, "Spitzer sees crystal 'rain' in outer clouds of infant star" at url=<a rel="nofollow" class="external free" href="http://phys.org/news/2011-05-spitzer-crystal-outer-clouds-infant.html">http://phys.org/news/2011-05-spitzer-crystal-outer-clouds-infant.html</a>.