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

Author Question: If star A is 14.5 times brighter than star B, then what is their magnitude difference? a. 1.2 b. ... (Read 121 times)

ap345

  • Hero Member
  • *****
  • Posts: 537
If star A is 14.5 times brighter than star B, then what is their magnitude difference?
 
  a. 1.2
 b. 2.9
 c. 63.1
 d. 800
 e. 6.2 x 105

Question 2

When can Sirius, a favorite star of the Northern Hemisphere, be observed?
 
  a. during summer
  b. during spring
 c. all year long
 d. during winter
 e. during fall



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Mollythedog

  • Sr. Member
  • ****
  • Posts: 340
Answer to Question 1

b

Answer to Question 2

d





 

Did you know?

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

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

For a complete list of videos, visit our video library