The dwarf planet Pluto may be at the edge of our solar system, but an effort on Earth is seeking to put the icy world in mailboxes across the country โ€” in stamp form.

An online petition backed by scientists with NASAโ€™s New Horizons mission is pushing for a new U.S. postage stamp for Pluto and is hoping to hit 100,000 signatures by March 13, which is the 82nd anniversary of Plutoโ€™s discovery. So far, the effort has gained the support of almost 6,000 Pluto fans since the petition launched Feb. 1. The petition, hosted at Change.org, will be submitted to the Citizensโ€™ Stamp Advisory Committee of the U.S. Postal Service.

The first Pluto stamp was issued in 1991. It consisted of an artistโ€™s depiction of Pluto emblazoned with the phrase: โ€œNot Yet Explored.โ€

NASAโ€™s New Horizons mission, launched in 2006, aims to change that. The unmanned probe is flying NASAโ€™s first expedition to Pluto and is due to fly by the distant world and its four moons in July 2015. The $700 million spacecraft will take the first close-up photos of Pluto, its largest moon Charon and three other satellites when it flies within 10,000 kilometers of the dwarf planet.

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