Why Does the Overall Mass and Energy Density of the Universe

question 30

Multiple Choice

Why does the overall mass and energy density of the universe decide its ultimate fate?

• A) The greater the density of the universe, the more black holes will form, which will devour surrounding material more quickly.
• B) The greater the density of the universe, the more gravitationally bound the universe will be.
• C) The greater the density of the universe, the more massive stars it will contain, and the faster it will evolve.
• D) The greater the density of the universe, the more stars it will form over time and the longer the universe will last.
• E) The greater the density of the universe, the more supernova will explode, forcing the universe to expand forever.

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