If the Earth truly were a spinning ball orbiting the Sun, there are several tests and experiments which could be, and have been, conducted to prove or disprove the veracity of such a claim.  For example, Danish Astronomer Tycho Brahe famously argued against the heliocentric theory in his time, positing that if the Earth revolved in an orbit round the Sun, the change in relative position of the stars after 6 months of orbital motion could not fail to be seen.  He argued that the stars should …