« previous next »

Author Question: Which of the following is a principal advantage of CCDs over photographic film? A) CCDs allow ... (Read 63 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?

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?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Balancing selection and heterozygote advantage. Balancing selection and heterozygote advantage.
Principal Characteristics of REM and Slow-Wave Sleep Principal Characteristics of REM and Slow-Wave Sleep
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.
Principal component analysis of blood plasma metabolites in chronic myeloid leukemia (CML) patients Principal component analysis of blood plasma metabolites in chronic myeloid leukemia (CML) patients
Photographic Mock-up of the East Pediment of the Parthenon Using Photographs of the Extant Marble Photographic Mock-up of the East Pediment of the Parthenon Using Photographs of the Extant Marble
A piece of glass has a thin film of gasoline floating on it. A beam of light is shining ... A piece of glass has a thin film of gasoline floating on it. A beam of light is shining ...
Video: Proteins

For a complete list of videos, visit our video library