THE NATIONAL RADIO ASTRONOMY
OBSERVATORY
Green Bank, W. Va.
Radio astronomy is a study of the heavens by means
of radio waves. The radio signals have been travel-
ling at a rate of 186,000 miles per second, and
what is now being recorded here happened ten
billion years ago. This picture shows the Howard
E. Tatel 85 ft. radio telescope.
Color by C. H. Ruth
W.V. #33
DT-54051-B
dp
Pub. by Nelson Jones, 13898 Clifton Blvd., Lakewood, Ohio
: Wa
HERE