This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Polaris is a second magnitude star, and Phi Pegasi is about 16 times fainter than Polaris. What is ... (Read 61 times)

jc611

  • Hero Member
  • *****
  • Posts: 552
on: Jul 27, 2018
Polaris is a second magnitude star, and Phi Pegasi is about 16 times fainter than Polaris. What is the approximate magnitude of Phi Pegasi?
 
  a. 18
  b. 14
  c. 3
  d. 3
  e. 5

Question 2

Star A has an apparent visual magnitude of 13.4 and star B has an apparent visual magnitude of 15.4 . Star A is ____ than star B.
 
  a. 2 times fainter
  b. 2 times brighter
  c. 6.3 times fainter
  d. 6.3 times brighter
  e. 29.8 times fainter


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

verrinzo

  • Sr. Member
  • ****
  • Posts: 346
Reply #1 on: Jul 27, 2018
Answer to Question 1

e

Answer to Question 2

d


jc611

  • Member
  • Posts: 552
Reply 2 on: Jul 27, 2018
Gracias!

alexanderhamilton

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Yellow Star Grass Yellow Star Grass
Spectral Line Motion in Binary Star Systems Spectral Line Motion in Binary Star Systems
Mass Loss by a Supermassive Star Mass Loss by a Supermassive Star
A star link-type network where all of the modules are connected together using splice packs. A star link-type network where all of the modules are connected together using splice packs.
In medieval times - bubonic plague epidemic In medieval times - bubonic plague epidemic
A solution of CaCl2 with concentration of 5.5 M was diluted 10 times, 25 times and 3 times. ... A solution of CaCl2 with concentration of 5.5 M was diluted 10 times, 25 times and 3 times. ...
Video: Neural regulation of mechanical digestion- CNS voluntary, ANS & ENS controlled involuntary movements

For a complete list of videos, visit our video library