Author Question: Astronomers know the universe is expanding because A) everything is moving away from us. B) all ... (Read 24 times)

tiara099 · **on:** Jul 27, 2018

Astronomers know the universe is expanding because

A) everything is moving away from us.
B) all stars are moving away from us.
C) most galaxies are moving away from us.
D) galaxies farther away are moving away from us faster.
E) there is a cosmic microwave background.

Question 2

How will you feel in your spacecraft?

A) You will be floating weightlessly.
B) You will feel weight, but less than on Earth.
C) You will feel weight, but more than on Earth.
D) You will feel the same weight as you do on Earth.
E) You will feel yourself pressed against the back of your spaceship with great force, making it difficult to move.