There have only been three planets that have been “discovered” through the aid of a telescope. All the other planets can be seen by the naked eye and thus, humankind has been looking at these planets since from the very beginning. However, in 1781, Sir William Herschel discovered Uranus, the first planet not viewable without a telescope.
Click here to cancel reply.
Sorry,At this time user registration is disabled. We will open registration soon!
Don't have an account? Click Here to Signup
© Copyright GreenAnswers.com LLC