Answers

2014-05-25T12:41:53+08:00
Starting nearest the sun through solar system:
⇒ Mercury
⇒ Venus
⇒ Earth 
⇒ Mars 
⇒ Jupiter
⇒ Saturn
⇒ Uranus
⇒ Neptune

There used to be 9 planets tho because in the late 1990s scientist argued whether Pluto is a planet. In 2006, International Astronomical Union decided to call Pluto a "dwarf planet" reducing 9 planets to 8. 
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2014-05-25T15:25:00+08:00
Mercury
venus 
earth
mars 
jupiter
saturn
uranus
neptune

pluto is not considered as a planet anymore
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