SSU Webcast: Hubble's Yardstick of the Universe

Galaxy 4603 with Cepheids Identified, One Cepheid with EFX to Show Brightening

Animation of Cepheid Stars in Galaxies Showing Distances

Ground-Based Supernova Explosion Data

Animation of Big Bang with Acceleration

M100 Cepheids

Cepheid Variables

Distance Scale