... Star Atlas . ... stars . ... Astronomers watch unfolding saga of massive star formation . ... A pair of images of a young star, made 18 years apart, has revealed a dramatic difference that is providing astronomers with a unique "real-time" look at how massive stars develop in the earliest stages of their formation. The astronomers used the National Science Foundation's Karl G. Jansky Very Large Array (VLA) to study a massive young star called W75N(B)-VLA 2, some 4,200 light-years from Earth. ...