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

Author Question: A telescope whose objective is a lens and contains no mirrors is a(n) ____ telescope. a. ... (Read 132 times)

s.tung

  • Hero Member
  • *****
  • Posts: 577
on: Jul 27, 2018
A telescope whose objective is a lens and contains no mirrors is a(n) ____ telescope.
 
  a. Refracting
  b. Reflecting
  c. Deflecting
  d. Compound
  e. Retracting

Question 2

As a white dwarf cools its radius will not change because
 
  a. pressure due to nuclear reactions in a shell just below the surface keeps it from collapsing.
  b. pressure does not depend on temperature for a white dwarf because the electrons are degenerate.
  c. pressure does not depend on temperature because the white dwarf is too hot.
  d. pressure does not depend on temperature because the star has exhausted all its nuclear fuels.
  e. material accreting onto it from a companion maintains a constant radius.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

alexanderhamilton

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

A

Answer to Question 2

B


s.tung

  • Member
  • Posts: 577
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

bimper21

  • Member
  • Posts: 309
Reply 3 on: Yesterday
Gracias!

« previous next »
 

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?

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?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

The vertebrate single-lens eye. The vertebrate single-lens eye.
Skin signs are objective evidence of an illness or disorder. They can be seen, measured, or felt. Skin signs are objective evidence of an illness or disorder. They can be seen, measured, or felt.
A 1998 false-colour near-infrared image of Uranus showing cloud bands, rings, and moons obtained by A 1998 false-colour near-infrared image of Uranus showing cloud bands, rings, and moons obtained by
Telescope Telescope
Telescope Telescope
Telescope Telescope
Video: Types of antimicrobial substances (interferons & complement protein)

For a complete list of videos, visit our video library