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 32 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
Wow, this really help


  • Member
  • Posts:
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

For a complete list of videos, visit our video library