Shared Flashcard Set

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Science
Tools of Modern Astronomy
12
Science
5th Grade
11/04/2007

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Cards

Term
constellation
Definition
a pattern of stars in the night sky
Term
electromagnetic radiation
Definition
energy travels through space in the form of waves
Term
visible light
Definition
a form of electromagnetic radiation that we can see with our naked eye
Term
electromagnetic spectrum
Definition
the entire range of electromagnetic waves
Term
wavelength
Definition
the distance between one wave crest and another
Term
frequency
Definition
is the speed that electromagnetic waves travel by
Term
refracting telescope
Definition
a telescope that uses one mirror made by Galileo
Term
reflecting telescope
Definition
a telescope that uses one or more mirrors to gather light
Term
convex lens (eye piece)
Definition
a piece of transparent glass curved so that the middle is thicker than the edges
Term
radio telescope
Definition
a telescope that gathers radio waves from objects in space
Term
observatory
Definition
a building that contains one or more telescopes
Term
spectrograph
Definition
a device that seperates light into colors and photographs the resultign spectrum
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