Journey To Palomar
Traces astronomer George Ellery Hale struggled to build the greatest telescopes of the 20th century.
EPISODES
OPB
Note: Only episodes available from 60 days in the past to 60 days in the future are displayed.
TONIGHT'S HIGHLIGHTS:
OPB : Missing in Mig Alley
Families attempt to trace what happened to pilots who were shot down during the Korean War.
