The mass-radius relationship for a white dwarf star is defined by :
R= (9pi)^0.66 /8 * h^2/m1 * 1/(Gm2^1.66*M^.333),
where m1= electron mass, m2=proton mass, G=grav. constant, h=planck's constant
I want to take a proportion with the solar mass and solar radius, which would involve a division...