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

Author Question: If star A is 14.5 times brighter than star B, then what is their magnitude difference? a. 1.2 b. ... (Read 95 times)

ap345

  • Hero Member
  • *****
  • Posts: 537
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

b

Answer to Question 2

d


ap345

  • Hero Member
  • *****
  • Posts: 537
Reply #2 on: Jul 27, 2018
Thanks


Mollythedog

  • Sr. Member
  • ****
  • Posts: 340
Reply #3 on: Jul 27, 2018
Welcome :)


« previous next »
 

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

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.

Why Different Constellations Are Visible at Different Times of the Year Why Different Constellations Are Visible at Different Times of the Year
Insulin Types and action times Insulin Types and action times
Apparent Magnitude Scale Apparent Magnitude Scale
Spectral Line Motion in Binary Star Systems Spectral Line Motion in Binary Star Systems
Mass Loss from a Supermassive Star Mass Loss from a Supermassive Star
A typical open-end wrench. Note the size difference on each end and that the head is angled 15 ... A typical open-end wrench. Note the size difference on each end and that the head is angled 15 ...
Video: Aneurysm

For a complete list of videos, visit our video library