Dr. Dennis Crabtree

Dr. Dennis Crabtree, Director (2014-2018) of the Dominion Astrophysical Observatory and of Optical Astronomy, speaks about a day in the life of a typical astronomer 100 years ago. He explains how astronomers used photographic plates to obtain spectrums of stars (properties of light that radiates from stars). This information could be used to calculate the…Dr. Dennis Crabtree
Status: Inherit