The most common unique about earth to other planets is that Earth have life.
We only have one star in our solar system instead of two.
it has life on it
Type your answer here... cady
Within our solar system all the planets are unique. Within the universe, it is likely that there will be planets very similar to those in our solar system. This would mean that no planet is actually unique. However we can not prove this yet.
Up to now, Earth is the only planet in our solar system that can sustain life as we know it.
yes
because of the stars because they are unique
Plenty of planets have atmospheres.
24,901.55 miles
One of them is that is has a Greenhouse effect on it.
it is28,950,000 squared miles
It a system of "checks and balances" that keep the solar system in line to an most unique orbital feature.