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

Author Question: Evidence gathered from observations of exoplanets indicates approximately what percentage of stars ... (Read 36 times)

B

  • Hero Member
  • *****
  • Posts: 570
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

A


B

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

jamesnevil303

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

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?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

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.

The patient is undergoing an allergy skin test by receiving subdermal inoculations of allergens. Inf The patient is undergoing an allergy skin test by receiving subdermal inoculations of allergens. Inf
An example of a Hertzsprung–Russell diagram for a set of stars that includes the Sun An example of a Hertzsprung–Russell diagram for a set of stars that includes the Sun
Evolution of Stars Off the Main Sequence Evolution of Stars Off the Main Sequence
The Krapina remains may provide evidence of cannibalism by some Neadertals. The Krapina remains may provide evidence of cannibalism by some Neadertals.
Sexual assault evidence collection kit. Sexual assault evidence collection kit.
Evidence of early bipedalism Evidence of early bipedalism
Video: Heart sounds

For a complete list of videos, visit our video library