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 134 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?

Everyone has one nostril that is larger than the other.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Sunlight on Mars is dimmer than on Earth. This photo of a Martian sunset was imaged by Mars Pathfind Sunlight on Mars is dimmer than on Earth. This photo of a Martian sunset was imaged by Mars Pathfind
Mirror Neurons and Speech Mirror Neurons and Speech
The Structure of the Atmosphere The Structure of the Atmosphere
Mirror Mirror
Pressure is a result of the atmosphere’s mass. Pressure is a result of the atmosphere’s mass.
Video: Lactation and Breast Feeding

For a complete list of videos, visit our video library