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 72 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
Excellent


phuda

  • Member
  • Posts: 348
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

For a complete list of videos, visit our video library