Shell star variables. Pleione and Gamma Cassiopeiae itself are both variable stars that have intermittent shell episodes where strong shell features appear in the spectrum and the brightness increases or decreases significantly. At other times the shell is not detectable in the spectrum, and even the emission lines may disappear. Shell star A shell star is a star having a spectrum that shows extremely broad absorption lines, plus some very narrow absorption lines. They typically also show some emission lines, usually from the Balmer series but occasionally of other lines. The broad absorption lines are due to rapid rotation of the photosphere,
A Star Is Torn A Star Is Torn "A Star Is Torn" is the eighteenth episode of "The Simpsons"<nowiki>'</nowiki> sixteenth season. It first aired on the Fox network in the United States on May 8, 2005. Fantasia Barrino guest stars as Clarissa Wellington. After being unable to shop at the Kwik-E-Mart because it is being held up, Lisa suggests the Simpsons have a vegetarian meal with ingredients purchased from a nearby stall, which they enjoy until Bart, Homer, Marge, and Maggie feel queasy and begin vomiting. Because she is a vegetarian, Lisa is immune to the "vitamins, minerals, and trace amounts of bug feces".