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15 Cards in this Set
- Front
- Back
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A rainbow is a example of...
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continuous spectra
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The comparative brightness of a star observed if the stars were at the same distance is called...
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Abolute Magnitude
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The type of electromagnetic energy used to 'see' the center of our galaxy is...
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RADIO WAVES
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The camparative brightness of a star as seen by the observer is called
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Apparent Magnitude
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The lightgathering capacity of a telescope depends on...
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the size of the objective lens
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Name two things that relate to the true brightness of a star...
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temperature
size |
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The type of electromagnetic energy that would keep food warm is...
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infrared rays
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Forms of electromagnetic energy are differnt beucase they have differnt...
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wavelengths
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The further away a star is, the _______ the parallax will be
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lesser
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White light can be broken into a band of colors called the
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spectrum or
spectra |
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The largest single mirrar telescope is _______ inches in diameter
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200
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A telescope that uses a convex lens is called a _________ telescope
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refracting
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The Big Dipper can be used to find the...
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north star
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The group of galaxies to which we belong is called the...
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local group
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A ________ is a very distant and a powerful source of radio waves
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quasars
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