Complex sentence: It is a member of the Cyg OB2 Association, a loose cluster of young massive stars about 5000 light years away in Cygnus, and resides in a region of the Galaxy from which visible light is heavily absorbed by interstellar dust when viewed from the Earth.
Split into simpler sentences: It is a member of the Cyg OB2 Association, a loose cluster of young massive stars about 5000 light years away in Cygnus. It resides in a region of the Milky Way from which visible light is heavily absorbed by interstellar dust when viewed from the Earth.