Spitzer Disk (IMAGE) University of California - Berkeley Caption This is an illustration of a brown dwarf, spotted by NASA's Spitzer Space Telescope, surrounded by a spinning protoplanetary disk. Credit Image courtesy of NASA/JPL-Caltech Usage Restrictions Include credit. Full image policy online: <a target="_blank"href="http://www.jpl.nasa.gov/imagepolicy/">http://www.jpl.nasa.gov/imagepolicy/</a>. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.