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 107 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?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

California sea lions are common prey for mammal-eating killer whales on the west coast of North Amer California sea lions are common prey for mammal-eating killer whales on the west coast of North Amer
Common phlebotomy issues. Common phlebotomy issues.
Common phlebotomy issues. Common phlebotomy issues.
Beta-lactam antibiotics: The beta-lactam ring is common to many different classes of antibiotics. Beta-lactam antibiotics: The beta-lactam ring is common to many different classes of antibiotics.
Common spinal disfigurements. Common spinal disfigurements.
Common Fluoride Products Common Fluoride Products
Video: Multiple Sclerosis Animation

For a complete list of videos, visit our video library