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 100 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?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Common structural features of bacterial cells Common structural features of bacterial cells
Examples of the most common X-ray positions and the images they produce. Examples of the most common X-ray positions and the images they produce.
Common Phobias Cont Common Phobias Cont
Prescriptions for common analgesics used in dentistry. Prescriptions for common analgesics used in dentistry.
Common Bipolar Disorder Medications Common Bipolar Disorder Medications
Common Abbreviations and Symbols Used by Massage Therapists Cont Common Abbreviations and Symbols Used by Massage Therapists Cont
Video: Stages of Mitosis - Prophase, Prometaphase, Metaphase, Anaphase & Telophase

For a complete list of videos, visit our video library