Becuase they are eather too hot, cold, have poisonus gasses, or don't have an atmosphere we can breathe.
Not for humans.
yes we can live
Saturn. On a clear night, depending on where you live, you can see Saturn with the naked eye and its rings with a small telescope.
We live on Earth, aliens live on Pluto, Mars, and other planets like Jupiter.
No. Most planets do. Six of the eight planets in our solar system have at least one moon.
Very probably
there might well be life but there is no live
No.
IN the galaxyIn the universe
The most densest planets are Earth and Mercury
The 3 planets closest to the sun are Mercury, Venus, and Earth. We live on one of the inner planets.
Yes we will move planets cause we screwed our ozone layers.