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Which Of Our Solar System's Dwarf Planets What Discovered First?



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<p><strong> Although it may have become the most famous of the dwarf planets in our solar system-especially after the 2006 classification controversy that demoted it from "Planet" to "dwarf planet" </p>
<p> The earliest observation of a dwarf planet dates to 1<div class=
801 when it was discovered on New Year's Day by Italian mathematician and astronomer Giuseppe Piazzi. Piazzi observed Ceres a total of 24 times, with the final time being February 11, 1801 when illness interrupted his observations. Later that same year, Carl Friedrich Gauss developed an efficient method of orbit

In addition to being the first dwarf planet discovered in our solar system, Ceres has the distinction of being the smallest, which makes its place as first-discovered even more unique. The next dwarf planet, Pluto, was not discovered until 1930. Nearly eighty years passed before any new planets were discovered, but between 2004 and 2005, three were added to the roster: Eris, Haumea, and Makemake. Why the long period between discoveries? Although scientists estimate there are dozens of dwarf planets in our solar system, their tiny size (Ceres, for example, is approximately 1.28 percent the size of the Moon) and enormous orbits (Eris takes nearly 560 years to orbit the Sun) make them especially difficult to pin down and observe.


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