NASA’s TESS, or Transiting Exoplanet Survey Satellite has one main job: finding exoplanets. But it’s also helping astronomers study a strange type of star that has so far defied thorough explanation. Those stars are Delta Scuti stars, named after their prototype. Delta Scuti stars exhibit strange pulsating patterns, and they rotate rapidly. So far, astronomers … Continue reading TESS is Also Helping Astronomers Study Bizarre Pulsating Stars