What if Uranus did not wobble? Or was not this the reason astronomers
knew that Uranus was being pulled by an invisible object? A planet in
our solar system used to find a planet near it sounds a little
bizarre,but best to keep in mind over 150 years ago telescopes were not
very powerful,and Neptune is about 40 times further from the Sun than
Earth some 2825 million miles. TreBert