Term
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Definition
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Term
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Definition
| it is the distance between a wave to another |
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Term
| Electromagnetic radiation |
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Definition
| energy that travels threw waves |
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Term
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Definition
| it is the colors of visable light like red blue yellow orange green purple |
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Term
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Definition
| it is an object that makes distance objects appear closer |
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Term
| what is an optical telescope |
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Definition
| it is tele that uses mirrors to collect and focus viable light |
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Term
| what is a refracting telescope |
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Definition
| a tele that uses convex lenses to gather and focous light |
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Term
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Definition
| it is curved piece of glass so the middle is thicker than thew outside |
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Term
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Definition
| it is a telescope that uses a curved mirror to collect focus light |
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Term
| what is a radio telescope |
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Definition
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Term
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Definition
| building that contains one or more telescopes |
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Term
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Definition
| it is a grope of stars that look like a picture |
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Term
| what is used to classify stars |
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Definition
color,temperature,size,composition,
brightness |
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Term
| what is the hottest type of star |
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Definition
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Term
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Definition
| it is a graph that breaks light into colors |
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Term
| what is apperent brioghtness |
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Definition
| the brightness seen form earth |
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Term
| what is absolute brightness |
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Definition
| the brightness a star would have if it were at a standered distance form the earth |
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Term
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Definition
| it is a distance light travels in one year around 9.5 billion Kilometers |
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