a. What type of wave is a radio wave?
Describe the properties of these waves.
b. What is the wavelength of a radio
wave? Where do they fit on the electromagnetic spectrum?
c. How do radio telescopes work? What
do they emit/detect?
d. Are radio telescopes harmful in any
e. In the clip from Contact, there are
many radio telescopes together. What purpose does this serve?
f. What are some common sources of interference
when listening to the radio signals?
g. Does the earth's atmosphere affect receiving/transmission?
h. Who "discovered" the radio telescope?
How was this discovery made?
i. What are the advantages, disadvantages of having one big telescope versus several smaller ones?