The correct response is:
The universe is expanding.
The redshift of light from galaxies indicates that they are moving away from us, which supports the idea that the universe is expanding, a key concept of the Big Bang Theory.
Responses
The universe is expanding.
The universe is expanding.
The universe is cooling off.
The universe is cooling off.
The universe is 13.8 billion years old.
The universe is 13.8 billion years old.
The universe is mainly Hydrogen.
1 answer
The correct response is:
The universe is expanding.
The redshift of light from galaxies indicates that they are moving away from us, which supports the idea that the universe is expanding, a key concept of the Big Bang Theory.