Question

Which statements identify what astronomers currently know and think will happen with our universe? Check all that apply. The big bang produced dark energy, which accounts for some of the energy needed to expand the universe. The vastness of space may contain a type of matter known as "dark matter." The universe is currently shrinking at a rapid rate. The universe is currently expanding at an accelerating rate. The big bang theory explains all the energy and matter discovered by scientists.

Answer 1

The big bang produced dark energy, which accounts for some of the energy needed to expand the universe.

The vastness of space may contain a type of matter known as “dark matter.”

The universe is currently expanding at an accelerating rate.

Hope this helps !

Answer 2

Answer: Options (1), (2) and (4)

Explanation: According to the big bang theory, the following events has taken place-

• The universe started from a point of singularity, releasing a huge mount of energy along with matters, dust and gas particles.
• The universe is vast and is constantly expanding at an accelerating rate.
• The dark matters in the universe are mostly dominating, comprised of about 80-85%.
• Though a huge number of matters are present in the universe, scientists are able to study only a portion of it.