The figure below uses a rubber sheet as an analogy for Hubble expansion, with coins representing galaxies.The illustration demonstrates that
A) galaxies may be sitting still, but will move farther apart as space expands.
B) galaxies stand still, and distances are unchanged by the expanding universe.
C) galaxies are repelled from each other, causing them to move away from each other.
D) space is expanding in two dimensions only.
E) galaxies are being flung outward by the Big Bang.

Question

The figure below uses a rubber sheet as an analogy for Hubble expansion, with coins representing galaxies.The illustration demonstrates that 
A) galaxies may be sitting still, but will move farther apart as space expands. 
B) galaxies stand still, and distances are unchanged by the expanding universe. 
C) galaxies are repelled from each other, causing them to move away from each other. 
D) space is expanding in two dimensions only. 
E) galaxies are being flung outward by the Big Bang.

Quizplus · Accepted Answer

The Answer of The figure below uses a rubber sheet as an analogy for Hubble expansion, with coins representing galaxies.The illustration demonstrates that 
A) galaxies may be sitting still, but will move farther apart as space expands. 
B) galaxies stand still, and distances are unchanged by the expanding universe. 
C) galaxies are repelled from each other, causing them to move away from each other. 
D) space is expanding in two dimensions only. 
E) galaxies are being flung outward by the Big Bang.

The Figure Below Uses a Rubber Sheet as an Analogy