This topic contains a solution. Click here to go to the answer

Author Question: Mapping the intracluster gas is largely done with red light from the ionized emission lines of hot ... (Read 39 times)

dbose

  • Hero Member
  • *****
  • Posts: 597
Mapping the intracluster gas is largely done with red light from the ionized emission lines of hot hydrogen.
 
  Indicate whether the statement is true or false

Question 2

Which of the following statements about spectral types of stars is not generally true?
 
  A) The spectral type of a star can be determined by identifying lines in its spectrum.
  B) The spectral type of a star can be used to determine its surface temperature.
  C) The spectral type of a star can be used to determine its color.
  D) The spectral type of a star can be used to determine its distance.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Sierray

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

FALSE

Answer to Question 2

D




dbose

  • Member
  • Posts: 597
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)


emsimon14

  • Member
  • Posts: 344
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

For a complete list of videos, visit our video library