Was Pluto downgraded from planet to ‘dwarf planet’ before or after the Mars Exploration Rover mission began?

Five years ago today, the solar system lost a planet. On Aug. 24, 2006, Pluto — which had been known as the ninth planet since its 1930 discovery — was demoted to the newly created category of "dwarf planet." I HOPE THIS HELPED!! <333

Explanation:

there were three types of british colonies: royal, proprietary, and self-governing. each type had its own characteristics. proprietary colonies, such as pennsylvania, maryland, and delaware, were basically land grants from the british government.

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