Author Question: Contrast the densities of the terrestrial planets and comets. What will be an ideal ... (Read 102 times)

future617RT

  • Hero Member
  • *****
  • Posts: 543
Contrast the densities of the terrestrial planets and comets.
 
  What will be an ideal response?

Question 2

Which statement about pulsars is not thought to be true?
 
  A) All pulsars are neutron stars, but not all neutron stars are pulsars.
  B) Pulsars can form only in close binary systems.
  C) A pulsar must have a very strong magnetic field and rotate quite rapidly.
  D) Pulsars are kept from collapsing by neutron degeneracy pressure.



bob

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

Forming close to the Sun, terrestrials are denser, with iron and silicates as major components. Far out beyond the ice limit, the jovians are far less dense, with compositions much like the gases of the Sun.

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

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?

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.

For a complete list of videos, visit our video library