... Star Atlas . ... Scientists find "fluffy" disk around baby star . ... The team's analysis of the disk shows that a "fluffy" layer above it is responsible for the scattered light observed in the infrared image. ... HiCIAO uses a mask to block out the light of the central star, which may be a million times brighter than its disk. ... This type of observation is preferred for faint emissions associated with scattered light around planet-forming disks, as there is less light from the much brighter star....