Author Question: What makes the Crab Nebula pulsar unusual among other pulsars? A) It is a magnetar, with far more ... (Read 58 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?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

For a complete list of videos, visit our video library