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

Author Question: Quasars are most common with redshifts a. less than 0.1 b. less than 0.5 c. of about 2 d. ... (Read 96 times)

awywial

  • Hero Member
  • *****
  • Posts: 577
on: Jul 27, 2018
Quasars are most common with redshifts
 
  a. less than 0.1
  b. less than 0.5
  c. of about 2
  d. greater than 6
  e. greater than 8

Question 2

A planetary nebula is
 
  a. the expelled outer atmosphere of a medium-mass star.
  b. produced by a supernova explosion.
  c. produced by a nova explosion.
  d. a nebula within which planets are forming.
  e. a cloud of hot gas surrounding a planet.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

fffftttt

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jul 27, 2018
Answer to Question 1

c

Answer to Question 2

a


awywial

  • Hero Member
  • *****
  • Posts: 577
Reply #2 on: Jul 27, 2018
Thank you!


fffftttt

  • Sr. Member
  • ****
  • Posts: 322
Reply #3 on: Jul 27, 2018
Always glad to help...


« previous next »
 

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

The Common Pochard, Aythya ferina, is a medium-sized diving duck. The Common Pochard, Aythya ferina, is a medium-sized diving duck.
Pollen from a variety of common plants Pollen from a variety of common plants
Most common symptoms of systemic lupus erythematosus (SLE). Most common symptoms of systemic lupus erythematosus (SLE).
Common Fluoride Products Common Fluoride Products
Common Characteristics of the Inheritance of Autosomal Common Characteristics of the Inheritance of Autosomal
Video: Factors that influence muscle tension - Sarcomere length and force, understretched and overstretched

For a complete list of videos, visit our video library