Continuing our top 10 ranges, today we will write about top 10 largest cities in the world by land area.
Eris dwarf planet is the most massive and second-largest dwarf planet in the known Solar System. Eris was discovered on October 21, 2003 by M.E. Brown, C.A. Trujillo, and D. Rabinowitz at the Palomar Observatory. It is named for the ancient Greek goddess of discord and strife. The name fits since Eris remains at the center of a scientific debate about the definition of a planet. As stated NASA “Eris first appeared to be larger than Pluto. This triggered a debate in the scientific community that led to the International Astronomical Union’s decision in 2006 to clarify the definition of a planet. Pluto, Eris and other similar objects are now classified as dwarf planets.” We are going to call your attention introducing top 10 facts about Eris dwarf planet according to NASA.
- Eris is one of the largest known dwarf planets in our solar system. It’s about the same size as Pluto, but is three times farther from the sun.
- 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.
- As Eris orbits the sun, it completes one rotation every 25.9 hours, making its day length similar to ours.
- The surface of Eris is extremely cold, so it seems unlikely that life could exist there.
- Eris has a very small moon called Dysnomia. Dysnomia has a nearly circular orbit lasting about 16 days. This moon is named after Eris’ daughter, the demon goddess of lawlessness.
- Eris has no known rings.
- NASA initially described Eris as the Solar System’s tenth planet.
- According to science writer Govert Schilling, Brown at first wanted to call the object “Lila”.
- From an average distance of 6,289,000,000 miles, Eris is 37.9 astronomical units away from the sun.
- Eris takes 557 Earth years to make one trip around the sun.
If you would like to know more about dwarf planets, you can visit the page “5 Dwarf Planets in Our Solar System”.
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