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 88 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?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Head rubbing and licking are common social behaviours within a pride Head rubbing and licking are common social behaviours within a pride
Common Gorse Common Gorse
Temperatures for Common Polymeric Materials Temperatures for Common Polymeric Materials
Summary of Common Probability Distributions Summary of Common Probability Distributions
Common Antibiotics Causing Antibiotic Associated Diarrhea Common Antibiotics Causing Antibiotic Associated Diarrhea
Common Typical "Older" Antipsychotics Common Typical "Older" Antipsychotics
Video: Types of Burns

For a complete list of videos, visit our video library