Supernovae and Cepheids


NGC 3370-credit NASA, A. Riess, Hubble Heritage Team


NGC1309-credit NASA, A. Riess, Hubble Heritage Team



SN 1997ff
credit-NASA, A. Riess, R. Gilliland



Distant Supernovae

Credit-NASA, A. Riess

Credit-NASA, A. Riess



Adam

Hubble