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Author Question: Briefly explain why sunspots are cooler than surrounding regions of the Sun, and why they look dark ... (Read 114 times)

mrsjacobs44

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on: Jul 27, 2018
Briefly explain why sunspots are cooler than surrounding regions of the Sun, and why they look dark in photos.
 
  What will be an ideal response?

Question 2

Emission lines from different ionization states of the same element appear in the same place in the spectrum.
 
  Indicate whether the statement is true or false


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momolu

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Reply #1 on: Jul 27, 2018
Answer to Question 1

They are cooler because their strong magnetic fields suppress convection and prevent hotter material from flowing into them. Because they are cooler, they emit less thermal radiation per unit area and therefore look dark in contrast to brighter surrounding regions.

Answer to Question 2

FALSE


mrsjacobs44

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

bbburns21

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Reply 3 on: Yesterday
Wow, this really help

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