Dear Phil, Check out George Airey's water filled telescope. Since light was supposed to travel 1.5 times slower in water the aberration of the stars should have produced ellipses 1.5 times larger. They didn't and so aberration was discounted as evidence for the Earth orbit round the Sun. Jack Lewis ----- Original Message ----- From: "Philip" <joyphil@xxxxxxxxxxx> To: <geocentrism@xxxxxxxxxxxxx> Sent: Saturday, August 07, 2004 2:17 AM Subject: [geocentrism] Re: Challenge Any body know what > the speed of light is through glass or water? Pity we cant post graphics. > Fowler shows a whammy for thinking about. me anyway. > > Phil. > >