Author Question: What makes the Crab Nebula pulsar unusual among other pulsars? A) It is a magnetar, with far more ... (Read 73 times)

sdfghj

  • Hero Member
  • *****
  • Posts: 552
What makes the Crab Nebula pulsar unusual among other pulsars?
 
  A) It is a magnetar, with far more intense magnetic fields than any other.
  B) It is the oldest known pulsar.
  C) Its period is much less regular than other pulsars.
  D) It is the fastest spinning known pulsar.
  E) It is relatively bright in shorter wavelengths, like visible and X-rays.

Question 2

The sketch above shows groups of stars on the H-R diagram, labeled (a) through (e); note that (a) represents the entire main sequence while (c) and (d) represent only small parts of the main sequence.
 
  Which group represents stars that are extremely bright and emit most of their radiation as ultraviolet light?
  A) a B) b C) c D) d E) e



itsakadoozi

  • Sr. Member
  • ****
  • Posts: 317
Answer to Question 1

E

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

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.

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?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

For a complete list of videos, visit our video library