Unformatted text preview: Mexican skies and that March 13, 2007 was Pluto Planet Day.   The Illinois State Senate passed a similar resolution in 2009, on the basis that Clyde Tombaugh, the discoverer of Pluto, was born in Illinois. The resolution asserted that Pluto was "unfairly downgraded to a 'dwarf' planet" by the IAU.  Some members of the public have also rejected the change, citing the disagreement within the scientific community on the issue, or for sentimental reasons, maintaining that they have always known Pluto as a planet and will continue to do so regardless of the IAU decision. [...
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- Fall '10
- Astronomy, Pluto, iau, IAU decision, Pluto Planet Day.