This topic contains a solution. Click here to go to the answer

Author Question: Briefly explain why sunspots are cooler than surrounding regions of the Sun, and why they look dark ... (Read 135 times)

mrsjacobs44

  • Hero Member
  • *****
  • Posts: 500
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



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

momolu

  • Sr. Member
  • ****
  • Posts: 320
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

  • Member
  • Posts: 500
Reply 2 on: Jul 27, 2018
Gracias!


T4T

  • Member
  • Posts: 348
Reply 3 on: Yesterday
Excellent

 

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Medication errors are three times higher among children and infants than with adults.

For a complete list of videos, visit our video library