« previous next »

Author Question: Which of the following is a principal advantage of CCDs over photographic film? A) CCDs allow ... (Read 21 times)

erika

  • Hero Member
  • *****
  • Posts: 522
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Overview of the cell’s principal chemical building blocks Overview of the cell’s principal chemical building blocks
The Principal Parts of a Multipolar Neuron The Principal Parts of a Multipolar Neuron
Workshop of Kane Kwei, Coffin in the shape of a film projector, Teshi area, Ghana, Africa. 2013. Workshop of Kane Kwei, Coffin in the shape of a film projector, Teshi area, Ghana, Africa. 2013.
Wedge-shaped oil film developed below a moving block. Wedge-shaped oil film developed below a moving block.
Schematic and photographic illustrations of exocytosis. (The photomicrograph was reproduced from J. ... Schematic and photographic illustrations of exocytosis. (The photomicrograph was reproduced from J. ...
What principal will earn $77.14 interest at 6.65% p. What principal will earn $77.14 interest at 6.65% p.
Video: Mutations and translation

For a complete list of videos, visit our video library