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

Author Question: Which of the following types of galaxies are most spherical in shape? A) spirals B) ellipticals ... (Read 52 times)

berenicecastro

  • Hero Member
  • *****
  • Posts: 581
Which of the following types of galaxies are most spherical in shape?
 
  A) spirals
  B) ellipticals
  C) lenticulars
  D) irregulars

Question 2

Galactic disks appear blue because
 
  A) they contain no G, K, or M dwarfs.
  B) they contain only blue reflection nebulae.
  C) dust obscures the longer, red, wavelengths.
  D) O and B blue giants are much brighter than G, K, or M dwarfs.
  E) dark matter gravitationally shifts all wavelengths towards the blue.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

dreamfighter72

  • Sr. Member
  • ****
  • Posts: 355
Answer to Question 1

B

Answer to Question 2

D




berenicecastro

  • Member
  • Posts: 581
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it


scikid

  • Member
  • Posts: 300
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

For a complete list of videos, visit our video library