View source for File:CMB spectrum (COBE FIRAS).svg

== Summary ==
Spectrum of the cosmic microwave background measured by the FIRAS instrument on NASA's COBE satellite (data points) compared with the theoretical intensity of a single-temperature blackbody (solid curve). The measurement uncertainties are far too small to be visible on this plot.
== Licensing ==
[[Q610|Public domain]]
== Attribution ==
Author: Quantum Doughnut (plot of public-domain COBE FIRAS data from NASA's LAMBDA archive)
Source: https://commons.wikimedia.org/wiki/File:Cmbr.svg