Author Question: Which of the following is a principal advantage of CCDs over photographic film? A) CCDs allow ... (Read 64 times)

erika

  • Hero Member
  • *****
  • Posts: 522
Which of the following is a principal advantage of CCDs over photographic film?
 
  A) CCDs allow long exposures (e.g., minutes or hours), and film does not.
  B) CCDs can record the colors of astronomical objects accurately, while film cannot.
  C) CCDs capture a much higher percentage of the incoming photons than does film.
  D) Images recorded with CCDs never require any image processing, while images recorded by film often do.
  E) CCDs can be attached to modern telescopes more easily than cameras.

Question 2

A hypernova creates:
 
  A) a black hole.
  B) a pulsar.
  C) a neutron star.
  D) short-duration gamma-ray bursts.
  E) Both B and C are correct.



janeli

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

C

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

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?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

For a complete list of videos, visit our video library