And, by studying the motion of Eris' moon, Dysnomia (which was also discovered in 2005), they estimate the dwarf planet is about 27% heavier than Pluto, which means it's denser than Pluto as well.

Eris has a moon called Dysnomia that circles the dwarf planet every 16 days. In Greek mythology, Dysnomia is the name of one of Eris’s daughters and means “anarchy.” 5.

Eris also has a small moon, which is named Dysnomia. Discovery: Oct. 21, 2003. Size: 1,444 miles in diameter (half the width of the U.S.) ... The dwarf planet was named by 11-year-old Venetia Burney.

The first important clue is that Eris and its moon, Dysnomia, always face the same way toward each other. “That happens because the big planet gets spun down by the tides that the little moon raises ...

A Jupiter-like planet orbiting a white dwarf hints at our solar system’s future By Ken Croswell October 13, 2021 More Stories from Science News on Planetary Science ...

The dwarf planet’s current name is 2012 VP113, and it is located in a “wasteland or badland of the solar system,” said astronomer Chad Trujillo, ... and has a satellite called Dysnomia.

Although hundreds, or perhaps thousands, more solar system bodies may eventually join the list of dwarf planets, the IAU officially recognizes just five at the moment. Here's a brief tour of all ...

Dysnomia, is a moon of the dwarf planet Eris. The satellite is about 60 times fainter than Eris, and its diameter is estimated to be approximately eight times smaller. Astronomers now know that ...

According to Greek mythology, the goddess Eris was so miffed at being left off the guest list of a banquet of the gods that she stirred up the Trojan War.

Under the new definition, Pluto, Eris, and its moon Dysnomia were classified as dwarf planets. Pluto is also included in the grouping of trans-Neptunian objects , which I would argue is infinitely ...

Artist’s Impression of the Dwarf Planet Eris and Moon Dysnomia. ESO/L. Calçada . This artist's impression shows the distant dwarf planet Eris in the distance with its moon Dysmonia in the ...

The dwarf planet’s current name is 2012 VP113, and it is located in a “wasteland or badland of the solar system,” said astronomer Chad Trujillo, ... and has a satellite called Dysnomia.