Recent content by pravdt

Which one is better for general non-professional star gazing, Reflecting Telescope or Refracting Telescope? I live in sub-urban area, not that much light/air pollution.

Thanks a lot. :)

What is the root source of "Light"? I'm not talking about converted/transformed energy via external sources, i.e. Electricity or heat transformed to Light. Whats the root source? Energy itself?