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

Author Question: Which design is subject to chromatic aberration? A) refractor B) prime focus reflector C) ... (Read 128 times)

LaDunn

  • Hero Member
  • *****
  • Posts: 526
Which design is subject to chromatic aberration?
 
  A) refractor
  B) prime focus reflector
  C) Newtonian reflector
  D) Cassegrain reflector
  E) Gregorian reflector

Question 2

Why does the rotation of a protostar slow down over time?
 
  A) All rotating objects slow down over time.
  B) Magnetic fields can transfer angular momentum to the protostellar disk and protostellar winds can carry angular momentum away.
  C) The onset of fusion causes the rotation rate to slow dramatically.
  D) Magnetic fields of other stars interact with the magnetic fields of the protostars, slowing its rotation.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

14vl19

  • Sr. Member
  • ****
  • Posts: 310
Answer to Question 1

A

Answer to Question 2

B




LaDunn

  • Member
  • Posts: 526
Reply 2 on: Jul 27, 2018
:D TYSM


peter

  • Member
  • Posts: 330
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

For a complete list of videos, visit our video library