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Astronomy: Unit 3 Vocab

Across
The type of telescope that uses lenses to focus light
Region of EM spectrum with the lowest energy
A spectrum that contains light of all colors
Light emitted from an object due to its temperature
Most well known of all space telescopes, has taken thousands of visible light images of the universe
The number of peaks in a wave that pass a certain point each second
The study of the interaction between matter and EM radiation
The unit for frequency
Region of EM spectrum with the shortest wavelength
Down
How well a telescope can resolve the separation between two nearby objects
The amount of light a telescope can take in and “funnel” to our eyes
A spectrum that has some specific wavelengths missing (appear as dark lines)
A spectrum that has only specific wavelengths present (appear as colored lines)
The distance between two consecutive peaks in a wave
The type of telescope that uses mirrors to focus light