This topic contains a solution. Click here to go to the answer

Author Question: In the Lighthouse model: A) pulsars are observable only if they lie in the galactic plane. B) ... (Read 78 times)

natalie2426

  • Hero Member
  • *****
  • Posts: 524
In the Lighthouse model:
 
  A) pulsars are observable only if they lie in the galactic plane.
  B) pulsars are navigational devices created by interstellar navigators as discovered by Jocelyn Bell in 1967.
  C) all pulsars have their poles pointed directly at us or they would be not observable.
  D) if the beams sweeps across us, we can observe the pulse.
  E) the period of pulsation must speed up as the neutron star continues contracting.

Question 2

The axial tilts of Uranus and Neptune are similar.
 
  Indicate whether the statement is true or false



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

debra928

  • Sr. Member
  • ****
  • Posts: 342
Answer to Question 1

D

Answer to Question 2

FALSE




natalie2426

  • Member
  • Posts: 524
Reply 2 on: Jul 27, 2018
:D TYSM


aruss1303

  • Member
  • Posts: 314
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

Thyroid conditions may make getting pregnant impossible.

For a complete list of videos, visit our video library