Source: University Of Arizona Date: 2003-02-14 Undergrads Discover New Class Of Star; "They Pulsate Like Jell-O"University of Arizona astronomy undergraduates have serendipitously discovered a new class of star that thrills astronomers who specialize in a relatively new field called "astroseismology." Astronomers worldwide will collaborate in continuous observations of one of these newly found stars for several weeks in May 2003. "Astronomers are always looking for new and better ways to study stars," said Elizabeth Green, assistant staff astronomer at Steward Observatory, who with her students discovered the new class of stars. They have found sub-dwarf B stars that pulsate...