1 天前 · It turns out that Eris is slightly smaller than Pluto, with an equatorial diameter 1,445 miles (2,326 km) and a surface area roughly equivalent to South America. But Eris is some 27 …

2011年10月14日 · Pluto is far more similar to Eris and the other Dwarf planets than it is to say, Earth or Venus. Sure, Pluto likely has a crust, mantle and core. Pluto is pretty much at …

Eris has been measured at 2,326 ± 12 kilometres (1,445 ± 7 mi) in diameter; [12] its mass is 0.28% that of the Earth and 27% greater than that of Pluto, [23] [24] although Pluto is slightly …

2025年1月22日 · Eris, like Pluto, is a little smaller than Earth’s Moon. If the Earth were the size of a nickel, Eris would be about as big as a popcorn kernel. From an average distance of 6.3 …

2023年12月2日 · According to their results, Eris is likely differentiated into a convecting icy shell and rocky core, which sets it apart from Pluto’s conductive shell. Their paper, “ The internal …

Pluto's equatorial radius is 1,188.00 k.m. whereas Eris's is 1,163 k.m. which makes Pluto the larger of the two distant objects by 25 k.m. There is a certain amount of uncertainty about how …

Discovered in 2005, Eris is now the largest known dwarf planet in our solar system. Its diameter is estimated at 3000 km, and it weighs roughly 1.66 x 1022 kg, which is about 27% more …

2011年10月26日 · Though the dwarf planet Eris on the edge of the solar system is much denser than Pluto, the two frigid worlds are nearly exactly the same size, a new study finds. …

2010年11月24日 · Pluto is 39 times farther from the sun than Earth, and Eris's elongated orbit takes the object more than twice as far away as Pluto.

2007年6月14日 · New data show that the dwarf planet Eris is 27 percent more massive than Pluto, thereby strengthening the decree last year that there are eight planets in the solar …