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11 Cards in this Set

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The first person to make extensive use of the telescope to study the heavens
Galileo
The turning back or turning aside of any wave when its hits an obstacle
Reflection
The bending of any wave's direction at the boundary between two wave media
Refraction
The type of telescope that uses only lenses to collect light and form an image
Refracting telescope
The type of telescope tht uses mirrors to collect light and form an image
Reflecting telescope
A device that splits light into a spectrum for analysis
spectro-scope
An instrument that collects radio waves from space
radio telescopes
Tiny but extremely dense rotating stars that produce rapid bursts of radio waves
pulsars
Scientist who developed the reflecting telescope
Sir Isaac Newton
Why do most professional astronomers use reflecting telescopes rather than refracting telescopes?
because mirrors are cheaper and can be made much larger than lenses.
Two ways in which astronomers can overcome the distortion of starlight that is caused by the earth's atmosphere.
Place a telescope in space, where there is no air to distort the telescopes "vision" & Binoculars.