Recent content by Duo Tao

Hi, I am going into the field of astrophysics and I am going to make my career a hobby, too. I want to buy a telescope that can measure the spectrum with CCD (astronomical spectroscopy) in a range of several hundreds of light years (like the Big Dipper). Does anyone know where can I get it...

Hi, My name is Duo Tao. I am interested in astrophysics, cosmology, general relativity etc.