Topic 10 Flashcards

(12 cards)

1
Q

Name the layers of the sun

A

Core, radiative zone, convective zone, photosphere, chromosphere, corona

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2
Q

what is the rough temperature of the sun

A

15,000,000 degrees kelvin

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3
Q

what temp are the radiative/convective zones

A

2,000,000 kelvin to 6000 kelvin

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4
Q

what temp is the photosphere

A

5,800 kelvin

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5
Q

what is the temperature of the corona

A

up to 2,000,000 kelvin

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6
Q

what is the temp of the umbra and penumbra of a sunspot

A

umbra- 4000 kelvin, penumbra- 5600 kelvin

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7
Q

What are van allen belts caused by

A

earth’s iron core+ earth’s rotation

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8
Q

What affect does H alpha filter have on most solar radition

A

-The filter absorbs
-all but a narrow wavelength band of light (from the sun)

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9
Q

Explain why a H alpha filter makes it possible to observe sun safely

A

The intensitt of solar radiation passing through the telescope is reduced
so less risk of damage to the retina

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10
Q

What is the temp of a sunspot’s penumbra and umbra

A

umbra-3800 K
penumbra- 5600 K

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11
Q

What quantities and plotted on a butterfly diagram

A

sunspot latitude and time

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12
Q

what is the length of the solar cycle

A

11 years

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