Question

Which statements are true regarding the scientific evidence supporting the big bang theory?

Researchers found cosmic microwave background radiation, which is a heat imprint left over from the big bang.
Quasars have been observed exploding and expanding from a single, hot, dense singularity.
A primordial form of helium gas was found by the Endeavor space shuttle.
A redshift of light emitted by stars and galaxies indicates the universe is expanding.
Redshift and blueshift of light emitted by stars and galaxies indicate that universe is expanding and contracting.

Answer 1

The answers that apply;

• Researchers found cosmic microwave background radiation, which is a heat imprint left over from the big bang.
• A redshift of light emitted by stars and galaxies indicates the universe is expanding
• A primordial form of helium gas was found by the Endeavor space shuttle

Big Bang theory is a theory that endeavors to explain the origin of the universe. It stipulates that the universe exploded from a singularity and continues to expand today