Sharaf Regio (formerly Ala Macula) is the smallest of the "Brass Knuckles", a series of equatorial dark regions on Pluto. It was initially informally named Ala Macula after Ala [àlà] "earth", the chthonic and most important deity of the Igbo people. The International Astronomical Union (IAU) officially approved the name Sharaf Regio after Shafika Gil’mievna Sharaf, a Soviet astronomer who developed an analytical theory for Pluto's motion.
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