This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which of the following types of galaxies are most spherical in shape? A) spirals B) ellipticals ... (Read 21 times)

berenicecastro

  • Hero Member
  • *****
  • Posts: 581
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

D


berenicecastro

  • Member
  • Posts: 581
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

raenoj

  • Member
  • Posts: 340
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Types of plant stimuli. Types of plant stimuli.
Cross-pollination and selfing are two types of crosses Cross-pollination and selfing are two types of crosses
Plant Cell Types (Part 3) Plant Cell Types (Part 3)
Barred Spiral Galaxies Barred Spiral Galaxies
Types of catheters: Suprapubic catheter. Types of catheters: Suprapubic catheter.
Types of Drug Interactions Types of Drug Interactions
Video: ribosome

For a complete list of videos, visit our video library