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Astronomy

Teacher: Diane Page
Across
Name of the U.S. space missions which took astronauts to the Moon
Another way to classify electromagnetic radiation based on the number of wave occurring per second
Type of powerful telescope which uses mirrors to "reflect" light
(two words) Electrical and magnetic disturbances that travel through space
(two words) These waves have the longest wavelength and lowest frequency
Down
(two words) The classification of electromagnetic radiation according to its wavelength
The distance between the peaks on a wave of radiation
(two words) The wavelengths of electromagnetic radiation which are visible to the human eye
Type of telescope which uses sets of lenses to bring visible light (objects) into focus
Scientific study of the Sun, the Moon, and other celestial bodies
(two words) These waves have the shortest wavelength and the highest frequency