1. Because the static Jansky observed peaked 4 minutes earlier each day, he concluded that the source
could NOT be ______ __________.
2. Radio frequency waves induce a _____________ in a conductor such as an antenna.
3. The proportion of RF energy received on Earth is __________ compared with the amount received in the
visible range.
4. The GBT will be the world’s largest ___________ _________________ radio telescope.
5. The actual diminsions of the GBT are ________ by _________ meters.
6. The GBT will measure the effects of gravity, wind, and temperature by using a _________-____________ system.
7. The GBT can view the entire sky above ____ degrees elevation.
1. the sun 2. current 3. small 4. fully steerable 5. 100, 110 6. Laser ranging 7. 5
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