Thread: Corrections in books and notes
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Old Friday, September 27, 2013
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Originally Posted by engr sarakhan View Post
AOA,
Kindly highlight the correct one.....
in some books it is given that solar system have 8 planets and smallest one is Murcury, while the other books say that solar system have 9 planets and plato is the smallest one,
which one is correct??????
even wikipedia articles mention 8 plants with murcury to be the smallest one, but the book by Kashmiri present 9 planets..
There are presently 8 Planets. As NASA official website says

"The planet count in our solar system has gone as high as 15 before new discoveries prompted a fine tuning of the definition of a planet. The most recent change was in 2006 when scientists reclassified Pluto as a new kind of object - a dwarf planet."

Refrence: Planets (NASA)
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