Artist concept of a star surrounded by a protoplanetary disk with magnetic field lines.
This illustration shows a star surrounded by a protoplanetary disk. Material from the thick disk flows along the stars magnetic field lines and is deposited onto the stars surface. When material hits the star, it lights up brightly. The star's irregular illumination allows astronomers to measure the gap between the disk and the star by using a technique called photo-reverberation or light echoes.
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Photo credit: © Stocktrek Images / Alamy / Afripics
License: Royalty Free
Model Released: No
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