• Two people place a red circle with a slash through it over the word "pluto" outside an exhibit entrance.
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    Museum employees Dave Heck and Rebecca Brockaway place the international symbol for "no" over the planet Pluto sign at the entrance to the Exploring the Planets gallery. Pluto had just been downgraded from full planet to dwarf planet status.

  • Two people place a red circle with a slash through it over the word "pluto" outside an exhibit entrance.

Photographer:

Eric Long

ID#:

SIA-2006-21856

Source:

Smithsonian's National Air and Space Museum

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Smithsonian Institution

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