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

Author Question: ________ optics deform the shape of the mirror to compensate for the turbulence in the atmosphere ... (Read 113 times)

Tazate

  • Hero Member
  • *****
  • Posts: 532
on: Jul 27, 2018
________ optics deform the shape of the mirror to compensate for the turbulence in the atmosphere and yield a close to diffraction-limited image.
 
  A) Collimating B) Parabolic C) Adaptive D) Coherent E) CCD

Question 2

The longer the period of pulsation for a Cepheid, the more massive and luminous the variable giant star is.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Expo

  • Sr. Member
  • ****
  • Posts: 351
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

TRUE


Tazate

  • Hero Member
  • *****
  • Posts: 532
Reply #2 on: Jul 27, 2018
Thanks


Expo

  • Sr. Member
  • ****
  • Posts: 351
Reply #3 on: Jul 27, 2018
Welcome :)


« previous next »
 

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Titan's dense atmosphere shrouds the moon beneath a tan haze in this image. Titan's dense atmosphere shrouds the moon beneath a tan haze in this image.
True-color image of layers of haze in Titan's atmosphere. True-color image of layers of haze in Titan's atmosphere.
Responses of a mirror neuron of a monkey. Responses of a mirror neuron of a monkey.
The phenotypic distribution in a cross with two traits: seed color and seed shape. Plants in the F2 The phenotypic distribution in a cross with two traits: seed color and seed shape. Plants in the F2
Spacecraft optimum geometrical shape Spacecraft optimum geometrical shape
Video: Allergic Rhinitis

For a complete list of videos, visit our video library