WebJul 10, 2024 · When Eris was first discovered in 2005, astronomers thought it was significantly larger than Pluto and even considered whether or not … Because Eris appeared to be larger than Pluto, NASA initially described it as the Solar System's tenth planet. This, along with the prospect of other objects of similar size being discovered in the future, motivated the International Astronomical Union (IAU) to define the term planet for the first time. See more Eris (minor-planet designation 136199 Eris) is the most massive and second-largest known dwarf planet in the Solar System. It is a trans-Neptunian object (TNO) in the scattered disk and has a high-eccentricity orbit. Eris was … See more Eris is a trans-Neptunian dwarf planet (plutoid). Its orbital characteristics more specifically categorize it as a scattered-disk object (SDO), or a TNO that has been "scattered" from the See more Eris has an orbital period of 559 years. Its maximum possible distance from the Sun (aphelion) is 97.5 AU, and its closest (perihelion) … See more In November 2010, Eris was the subject of one of the most distant stellar occultations yet from Earth. Preliminary data from this event cast doubt on … See more Eris was discovered by the team of Mike Brown, Chad Trujillo, and David Rabinowitz on January 5, 2005, from images taken on October 21, 2003. The discovery was announced on July … See more Eris is named after the Greek goddess Eris (Greek Ἔρις), a personification of strife and discord. The name was proposed by the Caltech team on September 6, 2006, and it was assigned on September 13, 2006, following an unusually long period in which the object … See more Eris displays very little variation in brightness as it rotates due to its uniform surface, making measurement of its rotation period difficult. … See more
Object Bigger than Pluto Discovered, Called 10th Planet
WebThe planet, which hasn't been officially named yet, was found by Brown and colleagues using the Samuel Oschin Telescope at Palomar Observatory near San Diego. It is currently … WebSep 15, 2024 · Eris Dwarf Planet. Eris and Dysnomia, taken by the Hubble Space Telescope ... Eris was discovered in January 2005 and appeared to be larger than Pluto, so it was … framework screen size
StarChild: Eris - NASA
WebEris is the most distant dwarf planet from the Sun, having the greatest mass among all dwarf planets. Not just this, it is the second largest dwarf planet an... WebNov 29, 2024 · Pluto’s aphelion distance is 49.31 AU, and Eris will be closer to the Sun than that for 99 years, from 2208 to 2307. Eris is closer to the Sun than Pluto’s average … frameworks crieff