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.", And The universe is currently expanding at an accelerating rate are statements that identify what asstronomers currently know and think will happen with our universe.
Astronomy is the science that focuses on studying objects in the universe:
Scientists who specialize in this science are called astronomers. This science has been studied since ancient civilizations. However, until the scientific revolution of the 16th and 17th centuries it was officially established as a science and theories and laws began to be developed in this regard.
Several of the theories and laws that have been developed speak about the origin and expansion of the universe are
Additionally, this science, due to its focus on the universe as a subject of study, still has many unanswered questions and it has not been able to be developed easily because the studies require technological and scientific developments that have taken years.
Therefore, the correct answers are A, B, and D, because they mention theories and studies that have been published by astronomers during the last few years, while the answers C and E are not correct because they mention facts that are not related to the results and the study of the universe.
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