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

Author Question: Most of the moons of Saturn have rocky, cratered surfaces, like Deimos and Phobos. Indicate ... (Read 51 times)

SO00

  • Hero Member
  • *****
  • Posts: 568
on: Jul 27, 2018
Most of the moons of Saturn have rocky, cratered surfaces, like Deimos and Phobos.
 
  Indicate whether the statement is true or false

Question 2

Why is it thought that quasars probably spend only a fairly short time in their highly luminous phase?
 
  A) because there aren't many quasars around today
  B) because there aren't any quasars closer than about a redshift of 1
  C) because all quasars are at about the same epoch, narrowly defined in time
  D) because a black hole could not power a highly luminous quasar for more than a few million years
  E) because quasars are known to be the consumers of massive galaxies


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ryrychapman11

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jul 27, 2018
Answer to Question 1

FALSE

Answer to Question 2

D


SO00

  • Hero Member
  • *****
  • Posts: 568
Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


ryrychapman11

  • Sr. Member
  • ****
  • Posts: 334
Reply #3 on: Jul 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

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.

Major moons of Uranus in order of increasing distance (left to right), at their proper relative size Major moons of Uranus in order of increasing distance (left to right), at their proper relative size
Saturn’s Diverse Moons Saturn’s Diverse Moons
Enceladus (Saturn's Moon) Enceladus (Saturn's Moon)
Francisco Goya, Saturn Devouring One of His Sons. Francisco Goya, Saturn Devouring One of His Sons.
The movement of water vapor molecules exerts vapor pressure on surfaces. The movement of water vapor molecules exerts vapor pressure on surfaces.
Different hand positions and working surfaces for massage applications on large muscles. A. Flat ... Different hand positions and working surfaces for massage applications on large muscles. A. Flat ...
Video: Stomach peristalsis - Movement of Food Through the Small Intestine

For a complete list of videos, visit our video library