If the geometry of the universe can be shown to be Euclidean, ...

[kfurse]

If the geometry of the universe can be shown to be Euclidean, then the density of the universe _________ the critical density.
 
  Fill in the blank(s) with correct word

Question 2

In binary neutron star systems, the orbits are expected to slowly decay, eventually resulting in a merger of the neutron stars. Where does the orbital energy go?
 
  A) It is lost to friction.
  B) It is emitted as gamma-rays.
  C) It is emitted as neutrinos.
  D) It is emitted as gravity waves.
  E) It is converted to mass.

[maya.nigrin17@yahoo.com]

Answer to Question 1

equals

Answer to Question 2

D

[kfurse]

Gracias!

[covalentbond]

Excellent