sun , earth , moon

Today when i still doing my assignment, suddenly the phone rang , i just answering the handphone , haha,is my nephew call me. I ask him why suddenly call me ? His say : '' yen sister , did you know is it the sun bigger than the moon or the moon bigger than sun ?'' Then listen this i just tell him :"The sun is bigger than the earth and the earth is bigger than the moon .Therefore , the sun is bigger than the moon."


Argument based on Mathematics