Author Question: Explain why the majority of large modern telescopes are not refractors. What will be an ideal ... (Read 48 times)

ss2343

  • Hero Member
  • *****
  • Posts: 548
Explain why the majority of large modern telescopes are not refractors.
 
  What will be an ideal response?

Question 2

In an eclipsing binary, the orbits are face-on so you can see both stars orbiting each other at all times.
 
  a. True
  b. False
  Indicate whether the statement is true or false



bulacsom

  • Sr. Member
  • ****
  • Posts: 329
Answer to Question 1

Refracting telescopes suffer from chromatic aberration, which limits their usefulness, whereas reflecting telescopes do not have this problem. The primary lens of a refracting telescope is much more difficult to manufacture than a mirror of the same size, and is more expensive.

Answer to Question 2

False



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

For a complete list of videos, visit our video library