Author Question: In the Lighthouse Model, A) the star literally turns on and off like a lighthouse beacon. B) all ... (Read 43 times)

joesmith1212

  • Hero Member
  • *****
  • Posts: 549
In the Lighthouse Model,
 
  A) the star literally turns on and off like a lighthouse beacon.
  B) all pulsars must have their poles pointed directly toward us.
  C) if the beam sweeps across us, we will detect a pulse of radiation.
  D) the period of pulsation must speed up as the neutron star continues collapsing.
  E) the period of pulsation slows down due to the drag of the remnant on its field.

Question 2

Uranus and Neptune are very similar in size and mass.
 
  Indicate whether the statement is true or false



FergA

  • Sr. Member
  • ****
  • Posts: 352
Answer to Question 1

C

Answer to Question 2

TRUE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

For a complete list of videos, visit our video library