Dan Gauthier, in the wakes of the logo change controversy, created the "wormball" to be "the best of both worlds" in an attempt to "make everyone happy". The design sparked a movement within NASA to adopt this logo. In response, NASA Headquarters made it clear that it would never be adopted.
NASA (Dan Gauthier)
<p>Emblems of Exploration: Logos of the NACA and NASA
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<a rel="nofollow" class="external free" href="https://www.nasa.gov/sites/default/files/atoms/files/emblems-of-exploration-tagged.pdf">https://www.nasa.gov/sites/default/files/atoms/files/emblems-of-exploration-tagged.pdf</a>