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Astronomy chapter 7
Lecture 7 handout
8
Astronomy
Undergraduate 2
04/18/2017

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Cards

Term
True or False: The Sun is considered an average star.
Definition
True
Term
What is the Sun's spectral type?
Definition
G2
Term
Why does the Sun appear so bright when compared to similar stars?
Definition
Only appears so bright because it is so close.
Term
The layer of the Sun's atmosphere above the apparent surface is the _____.
Definition
chromosphere
Term
The outermost layer of the Sun's atmosphere is called the ____
Definition
Corona
Term
The termpersryre of the solar interior (increases/decreases) inward
Definition
Increases
Term
The apparent surface of the Sun is called the _____. What is the temperature and depth of this layer?
Definition
photosphere. Temperature = 5800 Kelvin. Depth= 500 Km
Term
Near the photosphere, energy is transported (inward / outward) by ______. The visual consequenc of this is called _____.
Definition
outward. Convection. Granulation
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