notes again Flashcards

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1
Q

how do constellations get there names

A

characters from stories, animals, and tools

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2
Q

what is the constellations name of the great hunter

A

oriens belt

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3
Q

what is the name of the constellations that are oriens hunting dogs

A

canis major and canis minor

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4
Q

what does the names of oriens hunting dogs mean

A

big dog and little dog

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5
Q

how many basic optical telescopes are there

A

2

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6
Q

what does a refracting telescope use

A

convex lens

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7
Q

what does a reflecting telescope use

A

mirror

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8
Q

why are space telescopes better to use then ground-based telescopes

A

cause there is no clouds or pollution

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9
Q

what things can a spectrum scope determined about a star

A

stars chemical composition, surface temperature, whether it is moving away from or toward earth

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10
Q

stars farther away from earth appear to be what color, and what are its wave lengths

A

red, and less of a frequency

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11
Q

stars closer to earth appear to be what color, and what are its wave lengths

A

blue, and are more frequency

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