Also found in: Dictionary, Thesaurus, Medical, Wikipedia.


in astronomy, the moon, or natural satellite, of ErisEris,
in astronomy, the largest known dwarf planet. Eris, whose highly eccentric elliptical orbit ranges from 38 AU to 97 AU and is inclined more than 44°, is the largest known object of the Kuiper belt (see comet), with a diameter (1,445 mi/2,317 km) slightly larger than
..... Click the link for more information.
Mentioned in ?
References in periodicals archive ?
Eris has also been found to have a moon, which has been named Dysnomia.
Dyslexia, dysnomia and lexical retrieval: a longitudinal investigation.
He describes the specific characteristics of dyslexia, dysnomia, dysgraphia, dyscalculia, and dysphasia; their causes and diagnosis; teaching children who have them; and preparing them for adult life.
Xena, a charcoal ball whose even dimmer companion moon was naturally christened Gabrielle until the International Astronomical Union Committee on Small-Body Nomenclature and the Working Group on Planetary-System Nomendature spoiled the fun by formally renaming the dwarf planets Eris and Dysnomia.
Eris' moon also has a new name: Dysnomia, the Greek goddess of lawlessness.