Sun Flashcards

0
Q

Convection envelope

A

Hot gases from the radiative zone are able to rise to the surface and fall as they cool which creates large, convection cells

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1
Q

Three components that make up the majority of the Sun’s mass

A

Hydrogen (70%)
Helium (28%)
Metals (2%)

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2
Q

Photosphere

A

The visible surface of the sun

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3
Q

Chromosphere

A

Temperature increases and large solar flares occur here

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4
Q

Radiative zone

A

Energy generated by nuclear fusion moves outward as electromagnetic radiation. This energy is conveyed as gamma ray photons.

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5
Q

Core

A

This is where nuclear fusion occurs

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6
Q

Corona

A

A very thin and hot layer of the sun that is only visible during a total solar eclipse

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7
Q

Solar flare

A

Sudden outbursts of energy that happen as the sun’s magnetic fields twist, tear, and reconnect. Result of prominences exploding.

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8
Q

Sunspots

A

Dark, planet-sized regions of the sun that are cooler than the surrounding surface

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