Author Question: In the unified model, an accretion disk viewed from the side will cause ____ to be present in the ... (Read 66 times)

rayancarla1

  • Hero Member
  • *****
  • Posts: 571
In the unified model, an accretion disk viewed from the side will cause ____ to be present in the spectrum of a Seyfert galaxy.
 
  a. narrow absorption lines
  b. broad absorption lines
 c. narrow spectral lines
 d. broad emission lines
 e. no absorption lines

Question 2

The _______________ temperature scale is used in astronomy because it is based on absolute zero.
 
  Fill in the blank(s) with correct word



verrinzo

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

c

Answer to Question 2

Kelvin



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

For a complete list of videos, visit our video library