text: Gravity,\n\nF=GMm/r^2,\n\nwhere G is a the gravitational constant, M is the mass of the sun, m is the mass of the earth and r is 1au (the distance between the earth and the sun)\n\nF=6.673e-11(1.98822e30)(5.9742...\n=3.541722227e22 N\n\nThat is the forces of the sun that is keeping us in orbit. However, the surface gravity is\n\nF=GM/r^2 = (6.6733e-11)(1.98822e30)/(6955...\n= 274.28 ms/s or 27.96859298g\n\nwhere g is the gravity on earth