Science - Quiz 34 (sun and stars) Flashcards

1
Q

the dark patches on the sun caused by the sun’s magnetic field

A

sunspots

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2
Q

larger-than-normal convection cells that cover the sun’s surface and last from 12 to 24 hours

A

supergranules

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3
Q

the group of small, dim stars outside the main sequence

A

white dwarfs

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4
Q

the visible surface of the sun is called…

A

photosphere

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5
Q

the thin layer of the sun’s atmosphere that releases ultraviolet radiation

A

transition region

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6
Q

half of the angle that a star appears to move on the celestial sphere when viewed from opposite sides of Earth’s orbit

A

stellar parallax

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7
Q

the primary factor that determines a star’s color

A

surface temperature

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8
Q

this characteristic makes giants and supergiants extremely bright

A

size

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9
Q

the feature of the sun’s surface that is the same as a solar prominence but viewed from a different angle

A

filament

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10
Q

the two main characteristics that influence a star’s absolute magnitude

A

temperature and size

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