Category : Books-Non-Fiction

Sub Category : Science

                   Introduction       
Planets are objects made of rock, metal, and other materials. Planets orbit their star or stellar remnant

              Our Main Planets

Our 8 main planets -- Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and one other planet, Pluto. But Pluto got demoted to a dwarf planet in 2006. The first four planets are made of rock, metal, and other materials. While the other 4 are gas giants.

                 Exo-planets

Exo-planets are planets the size of Pluto that aren't included in the 8 main planets. But some Exo-planets can be about the size of Earth. Most Exo-planets however are outside our solar system.

       Earth And Possibly Habitable
                         Planets

Now Earth is very special, It is literally the only planet with direct life. But did you know there are more than 500 planets that can be populated by humans? That's correct! But the creepy fact is that NASA has attempted to receive alien contact. The worst part is that NASA gave aliens signs to Earth! I hope aliens never find them.

While planets are very interesting objects, they don't always have the specialities that'd you would think of. But planets have many characteristics to them!