Author Question: Contrast the densities of the terrestrial planets and comets. What will be an ideal ... (Read 89 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?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

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.

For a complete list of videos, visit our video library