Author Question: What makes the Crab Nebula pulsar unusual among other pulsars? A) It is a magnetar, with far more ... (Read 64 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?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

For a complete list of videos, visit our video library