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

Author Question: The ________ focus reflector needs only a single optical surface to form images. Fill in the ... (Read 57 times)

EAugust

  • Hero Member
  • *****
  • Posts: 550
on: Jul 27, 2018
The ________ focus reflector needs only a single optical surface to form images.
 
  Fill in the blank(s) with correct word

Question 2

Relate black holes in the early galaxies to quasars.
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

quynhmickitran

  • Sr. Member
  • ****
  • Posts: 330
Reply #1 on: Jul 27, 2018
Answer to Question 1

prime

Answer to Question 2

Star-produced black holes in young galaxies could migrate to their centers. As the black holes merged and formed supermassive black holes, the accretion of matter around them created the quasar outpouring of energy.


EAugust

  • Member
  • Posts: 550
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

T4T

  • Member
  • Posts: 348
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

DNA molecules replicate to form identical chromatids DNA molecules replicate to form identical chromatids
Hyperopia (farsightedness). In the uncorrected top figure, the image would come into focus behind th Hyperopia (farsightedness). In the uncorrected top figure, the image would come into focus behind th
Coronary circulation. (A) Coronary vessels portraying the complexity and extent of the coronary circ Coronary circulation. (A) Coronary vessels portraying the complexity and extent of the coronary circ
First-Pass Effect: Oral Drug Is Metabolized to an Inactive Form Before It Has an Opportunity to ... First-Pass Effect: Oral Drug Is Metabolized to an Inactive Form Before It Has an Opportunity to ...
Taste receptors, taste buds, and papillae on the surface of the tongue. Two sizes of papillae are ... Taste receptors, taste buds, and papillae on the surface of the tongue. Two sizes of papillae are ...
Sea Surface Temperatures Sea Surface Temperatures
Video: Neurosynapse Animation

For a complete list of videos, visit our video library