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

Author Question: The ____ of an object can be measured in degrees. a. apparent brightness b. apparent magnitude ... (Read 79 times)

bucstennis@aim.com

  • Hero Member
  • *****
  • Posts: 532
The ____ of an object can be measured in degrees.
 
  a. apparent brightness
  b. apparent magnitude
  c. zenith
  d. angular diameter
  e. color

Question 2

The star Vega has an apparent visual magnitude of 0.03 and the star HR 4374 has an apparent visual magnitude of 4.87 . It has been determined that both stars are at the same distance from Earth. What does this information tell us about the two stars?
 
  a. Vega must be closer to Earth than HR 4374.
  b. Vega must be farther from Earth than HR 4374.
  c. Vega must produce less energy per second than HR 4374.
  d. Vega must produce more energy per second than HR 4374.
  e. Vega will appear fainter to us than HR 4374.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jevvish

  • Sr. Member
  • ****
  • Posts: 326
Answer to Question 1

d

Answer to Question 2

d




Jevvish

  • Sr. Member
  • ****
  • Posts: 326

 

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

For a complete list of videos, visit our video library