Object on Different Celestial Bodies Force of Gravity Calc

"""This program will calculate the force acting on an object on each of the
eight planets, the Sun, and Pluto, assuming said object is on the surface."""
"G is a constant multiplier in Newton's Law of Universal Gravitation"
G = 0.0000000000667
"List some facts about the planets for which the force is being calculated"
def planetList():
    print("The celestial body: Average Density | Planetary Mass | Radius")
    print
    print("Sun: 1.49 | 1989000000 | 696000")
    print("Mercury: 5.43 | 330.2      | 2440")
    print("Mars: 3.94    | 641.85     | 3389.5")
    print("Earth: 5.515  | 5973.6     | 6371")
    print("Jupiter: 1.33 | 1898600    | 69111")
    print("Saturn: 0.70  | 568460     | 58232")
    print("Uranus: 1.30  | 86832      | 25362")
    print("Neptune: 1.76 | 102430     | 24622")
    print("Pluto: 2.0    | 13.105     | 1184")
"Function that takes input and applies it to Newton's Law of Universal Gravitation"
def forceCalc(objectMass, planetMass, r):
    force = G * (objectMass * planetMass) / (r ** 2)
    return force
"Get input for the objects mass, and apply it to the function for each celestial body"
objectMass = input("Please input the mass of the object in kilograms: ")
sun = forceCalc(objectMass, 1989000000000000000000000000000, 696000000)
mercury = forceCalc(objectMass, 3302000000000000000000000, 2440000)
mars = forceCalc(objectMass, 64185000000000000000000000, 3389500)
earth = forceCalc(objectMass, 5973600000000000000000000, 6371000)
jupiter = forceCalc(objectMass, 1898600000000000000000000000, 69111000)
saturn = forceCalc(objectMass, 568460000000000000000000000, 58232000)
uranus = forceCalc(objectMass, 86832000000000000000000000, 25362000)
neptune = forceCalc(objectMass, 102430000000000000000000000, 24622000)
pluto = forceCalc(objectMass, 13105000000000000000000, 1184000)
"Output that the user sees, extra print ketywords are to make it look prettier"
print
print("Mass entered: %s") % (objectMass)
print
print("Sun: %s") % (sun)
print("Mercury: %s") % (mercury)
print("Mars: %s") % (mars)
print("Earth: %s") % (earth)
print("Jupiter: %s") % (jupiter)
print("Saturn: %s") % (saturn)
print("Uranus: %s") % (uranus)
print("Neptune: %s") % (neptune)
print("Pluto: %s") % (pluto)