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

Author Question: Which of the following best describes the axes of a Hertzsprung-Russell (H-R) diagram? A) mass on ... (Read 90 times)

leo leo

  • Hero Member
  • *****
  • Posts: 566
Which of the following best describes the axes of a Hertzsprung-Russell (H-R) diagram?
 
  A) mass on the horizontal axis and luminosity on the vertical axis
  B) surface temperature on the horizontal axis and luminosity on the vertical axis
  C) mass on the horizontal axis and stellar age on the vertical axis
  D) interior temperature on the horizontal axis and mass on the vertical axis
  E) surface temperature on the horizontal axis and radius on the vertical axis

Question 2

Which of the following statements about scientific models is true?
 
  A) A model can be used to explain and predict real phenomena.
  B) All current models are correct.
  C) A model tries to represent all aspects of nature.
  D) A model tries to represent only one aspect of nature.
  E) All models that explain nature well are correct.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cat123

  • Sr. Member
  • ****
  • Posts: 310
Answer to Question 1

B

Answer to Question 2

A



leo leo

  • Hero Member
  • *****
  • Posts: 566
Both answers were spot on, thank you once again



cat123

  • Sr. Member
  • ****
  • Posts: 310

 

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

For a complete list of videos, visit our video library