Sun Flashcards

1
Q

What is the structure of the Sun’s layers?

A
Core
Radiative zone
Convective zone
Photosphere
Chromosphere
Corona
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2
Q

How does the Sun shine?

A

Nuclear Fusion

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3
Q

Core

A

The Sun’s core is extremely dense and is the source of all of its energy. Inside the core, nuclear energy is being released

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4
Q

Radiation Zone

A

Calmer region where energy is transported by photons
Extends 2/3 of the Sun’s volume above core
Intense X-ray emission

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5
Q

Photosphere

A

is the layer where the Sun becomes opaque and marks the boundary past which we cannot see
granulation structure

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6
Q

Chromosphere

A

The region of the Sun’s atmosphere that lies immediately above the photosphere

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7
Q

Convection Zone

A

Turbulent region where energy is transported through rising and falling of gas

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8
Q

Corona

A

The outermost part of the Sun’s atmosphere

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9
Q

What is the sun made of?

A

Ball of ionized gas = plasma

73% Hydrogen, 25% Helium, 2% Metals (C,N,O)

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10
Q

Hydrostatic equilibrium

A

Gravitate pushing in Sun, And the pressure pushing out is equal. Making it stable (+) + (-) =0

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11
Q

why is the sun stable source of light?

A

Hydrostatic equilibrium

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12
Q

Nuclear Fusion

A

Small nuclei stick together to make a bigger one.

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