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

Author Question: The absolute magnitude of a star is how bright it appears if viewed from a distance of ________ ... (Read 97 times)

mrsjacobs44

  • Hero Member
  • *****
  • Posts: 500
The absolute magnitude of a star is how bright it appears if viewed from a distance of ________ light-years.
 
  Fill in the blank(s) with correct word

Question 2

Current understanding holds that a galaxy's type (spiral, elliptical, or irregular) ________.
 
  A) may either be a result of the mass of the protogalactic cloud that formed it or the result of the heavy element abundance in that cloud
  B) is always determined by the angular momentum of the protogalactic cloud that formed it
  C) is determined by whether the galaxy is located in a cluster where collisions are likely or outside a cluster where collisions are less likely
  D) may either be the result of conditions in the protogalactic cloud that formed it or the result of later interactions with other galaxies



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

deja

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

33

Answer to Question 2

D





 

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

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?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

For a complete list of videos, visit our video library