Author Question: Current measurements of the density of the universe support the prediction of the theory of ... (Read 31 times)

shofmannx20 · **on:** Jul 27, 2018

Current measurements of the density of the universe support the prediction of the theory of inflation that the universe should be flat.

Indicate whether the statement is true or false

Question 2

A perfectly opaque object that absorbs all radiation and reemits the absorbed energy as thermal radiation is

A) a hot, dense cloud of gas.
B) a cold, dense cloud of gas.
C) an infrared radiation emitter.
D) a thermal emitter.
E) transparent.