Table of Contents
How long is one day on Eris?
25.9 Earth hours
A day on Eris lasts 25.9 Earth hours, so an Eris day is just a bit longer than an Earth day.
How long is one year on Eris?
558 years
Eris/Orbital period
Can Eris support life?
Potential for Life The surface of Eris is extremely cold, so it seems unlikely that life could exist there.
Is Eris an exo planet?
Under the IAU definition approved on August 24, 2006, Eris is a “dwarf planet,” along with objects such as Pluto, Ceres, Haumea and Makemake, thereby reducing the number of known planets in the Solar System to eight, the same as before Pluto’s discovery in 1930.
How long is day on Eris?
Astronomers aren’t yet certain how long a day on Eris is; they think it lasts at least eight hours. Eris is slightly larger than Pluto, having a diameter somewhere between 2,400 and 3,000 km (1,491 and 1,864 miles).
How often does Eris rotate around the Sun?
The plane of Eris’ orbit is well out of the plane of the solar system’s planets and extends far beyond the Kuiper Belt, a zone of icy debris beyond the orbit of Neptune. As Eris orbits the Sun, it completes one rotation every 25.9 hours, making its day length similar to ours.
Is it possible for life to exist on Eris?
The dwarf planet is often so far from the Sun that its atmosphere collapses and freezes, falling to the surface as snow. As it gets closest to the Sun in its faraway orbit, the atmosphere thaws. The surface of Eris is extremely cold, so it seems unlikely that life could exist there. Eris has a very small moon called Dysnomia.
How big is Eris in relation to Pluto?
We don’t yet have any clear images of the surface of Eris because it is so far away. Astronomers aren’t yet certain how long a day on Eris is; they think it lasts at least eight hours. Eris is slightly larger than Pluto, having a diameter somewhere between 2,400 and 3,000 km (1,491 and 1,864 miles).