This topic contains a solution. Click here to go to the answer

Author Question: Absolute visual magnitude is a. the apparent magnitude of a star observed from Earth. b. the ... (Read 36 times)

D2AR0N

  • Hero Member
  • *****
  • Posts: 561
Absolute visual magnitude is
 
  a. the apparent magnitude of a star observed from Earth.
  b. the luminosity of a star observed from a distance of 1000 pc.
  c. the apparent magnitude of a star observed from a distance of 10 pc.
  d. the luminosity of a star observed from Earth.
  e. the apparent magnitude of a star observed from a distance of 10 pc and the luminosity of a star observed from Earth.

Question 2

A telescope that suffers from chromatic aberration and has a low light-gathering power is most likely
 
  a. a small-diameter reflecting telescope.
  b. a small-diameter refracting telescope.
  c. a large-diameter refracting telescope.
  d. a large-diameter reflecting telescope.
  e. an infrared telescope.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

snackralk

  • Sr. Member
  • ****
  • Posts: 363
Answer to Question 1

c

Answer to Question 2

b





 

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

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?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

Everyone has one nostril that is larger than the other.

For a complete list of videos, visit our video library