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

Author Question: On an H-R diagram, stellar masses ________. A) decrease from upper left to lower right B) are ... (Read 99 times)

asmith134

  • Hero Member
  • *****
  • Posts: 576
On an H-R diagram, stellar masses ________.
 
  A) decrease from upper left to lower right
  B) are impossible to determine
  C) are greatest in the lower left and least in the upper right
  D) can be determined for main sequence stars but not for other types of stars

Question 2

Which star is older?
 
  A) an M star in the globular cluster M13
  B) an A star in the globular cluster M13
  C) Both stars (the A and M star) are the same age.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

yasmin

  • Sr. Member
  • ****
  • Posts: 319
Answer to Question 1

D

Answer to Question 2

A




yasmin

  • Sr. Member
  • ****
  • Posts: 319

 

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

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?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

For a complete list of videos, visit our video library