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 51 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
Wow, this really help

cassie_ragen

  • Member
  • Posts: 347
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Examples of different cell types in humans Examples of different cell types in humans
Four types of cellular responses to positional information in animals. Four types of cellular responses to positional information in animals.
Many types of edible fungi are grown for the market. Many types of edible fungi are grown for the market.
Types of immunity. Types of immunity.
Types and Locations of Connective Tissue. Types and Locations of Connective Tissue.
Speciation produces new types of organisms Speciation produces new types of organisms
Video: Simple Diffusion - Ion transport

For a complete list of videos, visit our video library