A number of stellar astrophysical phenomena. such as tidal novae and planetary engulfment. involve sudden injection of subbinding energy in a thin layer within the star. leading to mass ejection of the stellar envelope. https://www.roneverhart.com/8ftx7ft-Fairy-Tale-Book-Vinyl-Photography-Backdrop-Once-Upon-a-Time-Princess-Theme-Party-Photo-Shoot-Background/