instruction: How many planets are there in the Solar System ?
output: As of 2023, there are 8 planets in the Solar system :
  - Mercury
  - Venus
  - Earth
  - Mars
  - Jupiter
  - Saturn
  - Uranus
  - Neptune
  Up until 2006, Pluto was considered the 9th planet before being reclassified as a "dwarf planet" by the International Astronomical Union (IAU).