Temperature of the <a href="https://en.wikipedia.org/wiki/Cosmic_Microwave_Background" class="extiw" title="en:Cosmic Microwave Background">Cosmic Microwave Background</a> (CMB) radiation spectrum as determined with the <a href="https://en.wikipedia.org/wiki/COBE" class="extiw" title="en:COBE">COBE</a> satellite during the full four years of the <i>Differential Microwave Radiometer</i> (DMR) observation. The plane of the Milky Way Galaxy is horizontal across the middle of each picture.
<p>This map shows the 53 GHz channel
</p>
<ul><li>(top) prior to dipole subtraction;</li>
<li>(middle) after dipole subtraction (due to the solar system movement);</li>
<li>(bottom) after subtraction of a model of the Galactic emission.</li></ul>
The COBE datasets were developed by the <a rel="nofollow" class="external text" href="http://www.gsfc.nasa.gov/">NASA Goddard Space Flight Center</a> under the guidance of the <a rel="nofollow" class="external text" href="http://lambda.gsfc.nasa.gov/product/cobe/swg.cfm">COBE Science Working Group</a>.
<ul><li><a rel="nofollow" class="external free" href="http://lambda.gsfc.nasa.gov/product/cobe/dmr_image.cfm">http://lambda.gsfc.nasa.gov/product/cobe/dmr_image.cfm</a></li>
<li><a rel="nofollow" class="external free" href="http://lambda.gsfc.nasa.gov/product/cobe/cobe_images/dmr_dip_53s_cmb_1111.gif">http://lambda.gsfc.nasa.gov/product/cobe/cobe_images/dmr_dip_53s_cmb_1111.gif</a></li></ul>