Planet Distance from sun program problem

import time, os, random
from color import randomColor
randomColor()
mercury = "57.9"
venus = "108.2"
earth = "149.6"
mars = "227.9"
jupiter = "778.3"
saturn = "1.427"
uranus = "2.869"
neptune = "4.496"
pluto = "5.9"
mercury2 = "57900000"
venus2 = "108200000"
earth2 = "149600000"
mars2 = "227900000"
jupiter2 = "778300000"
saturn2 = "1427000000"
uranus2 = "2869000000"
neptune2 = "4496000000"
pluto2 = "5900000000"


def main():


    print "Planetary Distance from the Sun"
    time.sleep(.5)
    rand = random.randint(1,1)
    if rand==1:
        Mercury()
    elif rand==2:
        Venus()
    elif rand==3:
        Earth()
    elif rand==4:
        Mars()
    elif rand==5:
        Jupiter()
    elif rand==6:
        Saturn()
    elif rand==7:
        Uranus()
    elif rand==8:
        Neptune()
    else:
        Pluto()

def Mercury():
    ans = raw_input("How far is Mercury from the sun? ")
    if mercury or mercury2 in ans:
        print "Correct!"
        time.sleep(.5)
        os.system("cls")
        main()
    else:
        print "Incorrect!"
        Mercury()

def Venus():
    ans = raw_input("How far is Venus from the sun? ")
    if ans == venus or venus2:
        print "Correct!"
        time.sleep(.5)
        os.system("cls")
        main()
    else:
        print "Incorrect!"
        Venus()

def Earth():
    ans = raw_input("How far is Earth from the sun? ")
    if ans == earth or earth2:
        print "Correct!"
        time.sleep(.5)
        os.system("cls")
        main()
    else:
        print "Incorrect!"
        Earth()

def Mars():
    ans = raw_input("How far is Mars from the sun? ")
    if ans == mars or mars2:
        print "Correct!"
        time.sleep(.5)
        os.system("cls")
        main()
    else:
        print "Incorrect!"
        Mars()

def Jupiter():
    ans = raw_input("How far is Jupiter from the sun? ")
    if ans == jupiter or jupiter2:
        print "Correct!"
        time.sleep(.5)
        os.system("cls")
        main()
    else:
        print "Incorrect!"
        Jupiter()

def Saturn():
    ans = raw_input("How far is Saturn from the sun? ")
    if ans == saturn or saturn2:
        print "Correct!"
        time.sleep(.5)
        os.system("cls")
        main()
    else:
        print "Incorrect!"
        Saturn()

def Uranus():
    ans = raw_input("How far is Uranus from the sun? ")
    if ans == uranus or uranus2:
        print "Correct!"
        time.sleep(.5)
        os.system("cls")
        main()
    else:
        print "Incorrect!"
        Uranus()

def Neptune():
    ans = raw_input("How far is Neptune from the sun? ")
    if ans == neptune or neptune2:
        print "Correct!"
        time.sleep(.5)
        os.system("cls")
        main()
    else:
        print "Incorrect!"
        Neptune()

def Pluto():
    ans = raw_input("How far is Pluto from the sun? ")
    if ans == pluto or pluto2:
        print "Correct!"
        time.sleep(.5)
        os.system("cls")
        main()
    else:
        print "Incorrect!"
        Pluto()

main()