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

Author Question: In globular clusters, the brightest stars will be: A) massive blue main sequence stars. B) red ... (Read 104 times)

j.rubin

  • Hero Member
  • *****
  • Posts: 557
In globular clusters, the brightest stars will be:
 
  A) massive blue main sequence stars.
  B) red supergiants.
  C) T Tauri stars.
  D) blue stragglers.
  E) planetary nebulae.

Question 2

Distinguish an Sa from an Sc galaxy.
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Madisongo23

  • Sr. Member
  • ****
  • Posts: 325
Answer to Question 1

B

Answer to Question 2

Sa spirals have more tightly wound spiral arms, and a wider nuclear bulge; Sc are flatter, dustier, and have looser arms.





 

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

For a complete list of videos, visit our video library