« previous next »

Author Question: The broadening of spectral lines can be caused by: A) density of the hot medium. (Read 1035 times)

plus1

  • Hero Member
  • *****
  • Posts: 676
on: Aug 28, 2013
The broadening of spectral lines can be caused by:
A) density of the hot medium.
B) thermal motion of the hot atoms.
C) rotation of the star.
D) magnetic fields of the star.
E) all of the above


notis

  • Hero Member
  • *****
  • Posts: 596
Reply #1 on: Aug 28, 2013
I know the answer! It's E.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

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.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Intussusception. The condition is caused by an infolding of the small intestine, which often causes Intussusception. The condition is caused by an infolding of the small intestine, which often causes
Endocarditis. The human heart has been sectioned to reveal the left ventricle and origin of the aort Endocarditis. The human heart has been sectioned to reveal the left ventricle and origin of the aort
The explosion of the Maine in Havana harbor, killing 260 men, caused much speculation in the newspap The explosion of the Maine in Havana harbor, killing 260 men, caused much speculation in the newspap
Population Density Population Density
Physics - Density and Pressure Physics - Density and Pressure
Physics - Density and Pressure Physics - Density and Pressure
Video: A timeline of the teeth (Explained - No Audio)

For a complete list of videos, visit our video library