« previous next »

Author Question: The approximate intensity ratio between two stars is 100 . Thus the apparent visual magnitude ... (Read 26 times)

xroflmao

  • Hero Member
  • *****
  • Posts: 515
on: Jul 27, 2018
The approximate intensity ratio between two stars is 100 . Thus the apparent visual magnitude difference between the stars is ______________.
 
  a. 1 b. 5
  c. 10 d. 100

Question 2

A star has an apparent visual magnitude of +19 . Which will you need to see this star?
 
  a. naked eye b. binoculars
  c. telescope like Hubble Space Telescope d. All of the other choices can be used.


smrerig

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Jul 27, 2018
Answer to Question 1

b

Answer to Question 2

c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Vision with macular degeneration is experienced with an inability to focus in the center of the visu Vision with macular degeneration is experienced with an inability to focus in the center of the visu
Rising and Setting of Stars at Middle North Latitudes Rising and Setting of Stars at Middle North Latitudes
Stars and the Interstellar Medium Stars and the Interstellar Medium
Stars and the Interstellar Medium Stars and the Interstellar Medium
Hue, Intensity, and Saturation Hue, Intensity, and Saturation
Visual tracking of a pendulum by a normal control subject (top) and three schizophrenics. (Adapted ... Visual tracking of a pendulum by a normal control subject (top) and three schizophrenics. (Adapted ...
Video: Fractures Animation

For a complete list of videos, visit our video library