Author Question: Which of the following is a principal advantage of CCDs over photographic film? A) CCDs allow ... (Read 20 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?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

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?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

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.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

For a complete list of videos, visit our video library