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

Author Question: What type of galaxies do astronomers believe to be the most common? a. elliptical b. spiral c. ... (Read 104 times)

CQXA

  • Hero Member
  • *****
  • Posts: 546
on: Jul 27, 2018
What type of galaxies do astronomers believe to be the most common?
 
  a. elliptical
  b. spiral
  c. irregular
  d. Astronomers have no idea which type of galaxy is most common.

Question 2

Why is a brown dwarf not considered a star?
 
  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

abctaiwan

  • Sr. Member
  • ****
  • Posts: 355
Reply #1 on: Jul 27, 2018
Answer to Question 1

a

Answer to Question 2

A brown dwarf is an object with a diameter only about the size of Jupiter, and although they are still warm from contraction, they do not generate energy, therefore they are not stars.


CQXA

  • Hero Member
  • *****
  • Posts: 546
Reply #2 on: Jul 27, 2018
TY


abctaiwan

  • Sr. Member
  • ****
  • Posts: 355
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Common invasive species in the Adelaide Hills: Olive, Artichoke thistle, Fennel and Bamboo Common invasive species in the Adelaide Hills: Olive, Artichoke thistle, Fennel and Bamboo
Merging Galaxies Merging Galaxies
During World War I, advancing armies unloosed ferocious artillery barrages to destroy deeply entrenc During World War I, advancing armies unloosed ferocious artillery barrages to destroy deeply entrenc
Effect of stimulus type on graded potentials. Effect of stimulus type on graded potentials.
Some common eye disorders. (D) Conjunctival hemorrhage of the right eye of this patient with ... Some common eye disorders. (D) Conjunctival hemorrhage of the right eye of this patient with ...
Common Abbreviations and Symbols Used by Massage Therapists Cont Common Abbreviations and Symbols Used by Massage Therapists Cont
Video: Prone Position

For a complete list of videos, visit our video library