Author Question: What is the meaning of a closed universe? A) The universe will expand forever. B) The universe ... (Read 93 times)

Pineappleeh · **on:** Jul 27, 2018

What is the meaning of a closed universe?

A) The universe will expand forever.
B) The universe will someday stop expanding and start to collapse.
C) The universe will stop expanding in an infinite amount of time.
D) The universe is in a steady-state.
E) The universe will disappear into a white hole in time.

Question 2

Would an observer on Mercury see the Sun rise in the east or the west?

What will be an ideal response?

DylanD1323 · **Reply #1 on:** Jul 27, 2018

Answer to Question 1

B

Answer to Question 2

Most of the time, the Sun would appear to move east to west from Mercury's surface. Near perihelion, however, the Sun goes into retrograde for a few days and moves west to east.