If the Universe is closed, then its age will be a. less than ...

[asan beg]

If the Universe is closed, then its age will be
 
  a. less than two-thirds of 1/H.
  b. more than two-thirds of 1/H.
  c. equal to 1/H.
  d. equal to H squared.
  e. equal to the square-root of H.

Question 2

When an aging massive star generates an iron core, the iron cannot fuse and thus the star cannot support its weight outside the core. The star is no longer in hydrostatic equilibrium and collapses, forming a supernova.
 
  a. True
  b. False
  Indicate whether the statement is true or false

[Kdiggy]

Answer to Question 1

a

Answer to Question 2

True

[asan beg]

Excellent

[strudel15]

Gracias!