Multiple Choice
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.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q80: In which of the following models will
Q81: On the surface of a sphere the
Q82: Contrast dark matter and dark energy with
Q83: The Big Bang was an expansion of
Q84: Currently we think that matter accounts for
Q86: Einstein's cosmological constant is a leading candidate
Q87: If the density of the universe is
Q88: The closed universe would give the cosmos
Q89: In a closed universe a beam of
Q90: The Wilkinson Mapping Project gave:<br>A)