Artist’s impression of the baby star TMC-1A. The star is located in the center and surrounded by a rotating gas disk. Gas is infalling to the disk from the envelope further out. Credit: Image courtesy of National Astronomical Observatory of Japan
The first direct observations delineating the gas disk around a baby star from the infalling gas envelope has been made. This finding fills an important missing piece in our understanding of the early phases of stellar evolution. The baby star TMC-1A is 450 light years away in the constellation Taurus. TMC-1A is a protostar, a star still in the process of forming. Large amounts of gas still surround TMC-1A.
Stars form in dense gas clouds. Baby stars grow by taking in the surrounding gas. In this process, gas cannot flow directly into the star...
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