Unlike professional astronomers , for many amateur astronomers , scientific research is usually not the `` main goal '' . Scientific research is most often not the `` main '' goal for many amateur astronomers , unlike professional astronomers .
Tidak seperti ahli astronomi profesional, bagi ramai ahli astronomi amatur, penyelidikan saintifik biasanya bukan "tujuan utama". Penyelidikan saintifik paling sering bukan matlamat "utama" bagi ramai ahli astronomi amatur, tidak seperti ahli astronomi profesional.