The Expanding Universe Answers

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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.

A
The big bang produced dark energy, which accounts for some of the energy needed to expand the universe.
B
The vastness of space may contain a type of matter known as “dark matter.”
C
The universe is currently shrinking at a rapid rate.
D
The universe is currently expanding at an accelerating rate.
E
The big bang theory explains all the energy and matter discovered by scientists.
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Which statement accurately describes the origin and expansion of the universe?

A
As the universe continues to expand, it gradually gets warmer.
B
Galaxies that are farther away are moving away more slowly.
C
Cosmic background radiation is leftover thermal energy from the big bang.
D
Stars and galaxies formed almost immediately after the big bang occurred.

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