1. A Reanlysis to Extend the Planetary Nebula Luminosity Function into the Hubble Flow Open Access Author: Chase, Owen Title: A Reanlysis to Extend the Planetary Nebula Luminosity Function into the Hubble Flow Area of Honors: Astronomy and Astrophysics Keywords: distancesplanetary nebulaePNLFhubble tensionextragalactic File: Download pnlf_thesis.pdf Thesis Supervisors: Robin Bruce Ciardullo, Thesis SupervisorSteinn Sigurdsson, Thesis Honors Advisor