« previous next »

Author Question: The approximate intensity ratio between two stars is 100 . Thus the apparent visual magnitude ... (Read 37 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?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Gaser and Schlaug's study of the size of visual, motor, and auditory nuclei in the brains of mu Gaser and Schlaug's study of the size of visual, motor, and auditory nuclei in the brains of mu
Visual communication in fireflies. Visual communication in fireflies.
Much of the dark space between stars, as seen in the sky of the image above, is due to the human eye Much of the dark space between stars, as seen in the sky of the image above, is due to the human eye
Pulsars are highly magnetized, rotating neutron stars that emit a beam of electromagnetic radiation. Pulsars are highly magnetized, rotating neutron stars that emit a beam of electromagnetic radiation.
Motion of Stars at the Poles Motion of Stars at the Poles
Visual Object Agnosia Without Prosopagnosia Visual Object Agnosia Without Prosopagnosia
Video: ADH and the arterioles, kidneys, sweat glands and the Atrial natriuretic peptide (ANP)

For a complete list of videos, visit our video library