This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Briefly explain why sunspots are cooler than surrounding regions of the Sun, and why they look dark ... (Read 61 times)

mrsjacobs44

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


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
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

  • Member
  • Posts: 500
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

vickybb89

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Forest fragments left by clear-cutting forest from the surrounding landscape have very different phy Forest fragments left by clear-cutting forest from the surrounding landscape have very different phy
Much of the dark space between stars, as seen in the sky of the image above, is due to the human eye Much of the dark space between stars, as seen in the sky of the image above, is due to the human eye
The functional regions of the cerebrum. The functional regions of the cerebrum.
The stomach. Longitudinal view showing regions and internal structures. The stomach. Longitudinal view showing regions and internal structures.
Industrial Regions Industrial Regions
Dark Blue Eye Color Dark Blue Eye Color
Video: Anaphylaxis Animation

For a complete list of videos, visit our video library