Know Some More About 천문학

How many planets are in the universe? 8 or 9? Most of the pictures of the planets that i found are contain only 8 planets which are;
1. Mercury
2. Venus
3. Earth
4. Mars
5. Jupiter
6. Saturn
7. Uranus
8. Neptune

Where is another one? The last planet, Pluto, is it really exist or silently disappear? Why are peoples excluding Pluto in the pictures?


For your information, The International Astronomical Union (IAU) has decided that Pluto is not a planet - Pluto or now we called as Plutoid is a large orbiting body beyond Neptune not big enough to be a true planet.

Planets in the universe:

More picture:

Individually planets :
                                                                 Mercury

                                                                  Venus

                                                                   Earth

                                                                     Mars

                                                
                                                                      Jupiter

                
                                                                   Saturn

                                                                                        

                                                                  uranus

                                                                 Neptune

                                                                   Pluto