Probably Mars
THE EARTH IS the best planet of the earth
Eris is not a planet; it is a dwarf planet. It is much smaller than Earth.
So far the answer is Earth... But we are still looking around...
Planet Earth
The Best of Hed Planet Earth was created on 2006-06-06.
Mercury is the first planet from the sun, and Earth is the third planet from the sun; Venus is the second planet from the sun, making it farther than Mercury but closer than Earth.
It is a rocky planet that is much smaller and colder than earth.
Mars is the only planet which is both smaller and colder than the Earth.
Eris is not a planet; it is a dwarf planet. It is much smaller than Earth.
Pluto is the dwarf planet that is smaller than the Earth's moon.
Venus is only slightly smaller than Earth.