No matter what direction you look, you will see a bright planet or star. Farther away objects are fainter, but there are much more of them. The night should be bright.
The third law of Kepler is about a power function, the mass of the sun and the gravitional constant. You kwow that's important but dont see all the details and this makes true scientific poetry (also known as the harmonic law).
Of course, I am not Sirius.