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24.1 & 24.2 Review

Across
What kind of defect known as chromatic aberration do refracting telescopes have?
The telescope that bends light.
The first space telescope.
The type of light that comes from the sun.
Waves that have the highest frequency (2)
When a wave source moves away or toward an object the wavelength changes. (2)
What does a reflecting telescope use to focus light?
The lens in a telescope that is furthest away from the eyepiece
Down
A star's spectrum tells astronomers its element and ______ composition.
What kind of telescope is not affected by clouds or atmosphere?
The study of the properties of light that depend on wavelength
As a light source approaches an observer it becomes ______.
The light spectrum that has dark bands running through it.
Look at the chart on 173. These are the longest waves with the lowest frequency.
These are particles of light