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 38 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!

jojobee318

  • Member
  • Posts: 298
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Yellow Star Grass Yellow Star Grass
Mass Loss by a Supermassive Star Mass Loss by a Supermassive Star
This lithograph of the New York draft riots, 1863, shows that although the rioters mainly targeted b This lithograph of the New York draft riots, 1863, shows that although the rioters mainly targeted b
Find the magnitude and the direction of the resultant vector of the two vectors below: Find the magnitude and the direction of the resultant vector of the two vectors below:
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. ...
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: Protein catabolism - deamination

For a complete list of videos, visit our video library