1. The big bang produced dark energy, which accounts for some of the energy needed to expand the universe.
2. The vastness of space may contain a type of matter known as "dark matter."
3. The universe is currently expanding at an accelerating rate.
Step-by-step explanation:
The persons who studies about the stars, planets and galaxies with the use of space related equipment such as telescopes are the astronomers. They usually study about how the earth is created neutron stars, black holes, nature of the time and also about the objects that are found in the solar system.
In the examples given, the statements that identifies what will happen currently to the universe are stated by:The energy that are needed fro the expansion of the universe is obtained by the dark energy produced by The big bang. A type of matter called dark matter is present in the space vastness. The universe is expanding currently in an accelerating rate.