1 Results for

where20

Narrow your search

Content Type
Topic
Gallery

Where 20th century astronomers mastered the skies (pictures)

For nearly 50 years, Palomar Observatory's Hale Telescope, near San Diego, was the most important device of its kind in the world. Even now, it's still used 290 nights a year. CNET Road Trip 2012 stopped by to check it out.

20 Images By July 17, 2012