This topic contains a solution. Click here to go to the answer

Author Question: Evidence gathered from observations of exoplanets indicates approximately what percentage of stars ... (Read 30 times)

B

  • Hero Member
  • *****
  • Posts: 570
Evidence gathered from observations of exoplanets indicates approximately what percentage of stars have planets?
 
  A) 0
  B) 1
  C) 10
  D) 100
  E) It is not yet possible to make an estimate.

Question 2

Quasar's spectral lines are:
 
  A) emission lines with large redshifts.
  B) a continuum from the synchrotron radiation.
  C) fuzzy absorption lines from the merged light of the billions of stars.
  D) too complex for any interpretation.
  E) nonexistent, the gas so hot as to be totally ionized, so no lines are seen.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Dnite

  • Sr. Member
  • ****
  • Posts: 297
Answer to Question 1

D

Answer to Question 2

A




B

  • Member
  • Posts: 570
Reply 2 on: Jul 27, 2018
:D TYSM


milbourne11

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Your heart beats over 36 million times a year.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

For a complete list of videos, visit our video library