RLL 54361 • Strobe-like Flashes in a Suspected Binary Protostar 5.6.2021 • This video, created from a sequence of images from the Hubble Space Telescope, shows a pulse of light emanating from the protostellar object LRLL 54361. Most if not all of this light results from scattering off circumstellar dust in the protostellar envelope. An apparent edge-on disk, visible at the center of the object and three separate structures are interpreted as outflow cavities. The extent and shape of the scattere