Author Question: Which of the following is true of the star clusters in the Milky Way? A) Open clusters are widely ... (Read 77 times)

vHAUNG6011

  • Hero Member
  • *****
  • Posts: 514
Which of the following is true of the star clusters in the Milky Way?
 
  A) Open clusters are widely scattered in the Milky Way.
  B) Globular clusters are concentrated along the disk of the Milky Way.
  C) Open clusters are more common toward the constellation Sagittarius.
  D) Globular clusters are much too far away to have measureable parallaxes.

Question 2

The _____ of a star is the time it takes the star to complete a cycle from bright to faint to bright again.
 
  A) life span
  B) luminosity period
  C) period of pulsation
  D) half-life



asdfasdf

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

D

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

For a complete list of videos, visit our video library