Instead of calling a white dwarf a star, you could call it a ...

[jenna1]

Instead of calling a white dwarf a star, you could call it a compact object because it:
 
  A) generates ample nuclear energy.
  B) is formed when a low-mass star is born.
  C) has several layers that contain gas.
  D) is almost completely degenerate matter.

Question 2

In the context of black holes, if an object collapses to zero radius, its density and gravity _____.
 
  A) remain constant
  B) increase
  C) become infinite
  D) decrease

[taylorsonier]

Answer to Question 1

D

Answer to Question 2

C