Author Question: Which of the following statements is true of the spectral sequence? A) It is classified in groups ... (Read 55 times)

ec501234

  • Hero Member
  • *****
  • Posts: 573
Which of the following statements is true of the spectral sequence?
 
  A) It is classified in groups labeled A through Q.
  B) M stars are cooler and fainter than L dwarfs.
  C) Y dwarfs are a class of objects with temperatures above 500 K.
  D) O stars are the hottest, and M stars are the coolest.

Question 2

In the context of main-sequence stars, which of the following statements is true of a mass-luminosity relation?
 
  A) The main-sequence stars in a Hertzsprung-Russell diagram are not ordered according to their masses.
  B) The lowest-mass stars are the hottest and brightest main-sequence stars.
  C) It is followed by giants, supergiants, and white dwarfs.
  D) The more massive a star is, the more luminous it is.



ngr69

  • Sr. Member
  • ****
  • Posts: 318
Answer to Question 1

D

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

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?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

For a complete list of videos, visit our video library