In the Very Distant Future, Given Our Best Model of the Accelerating

question 38

Multiple Choice

In the very distant future, given our best model of the accelerating universe, what will the universe look like?

• A) all the galaxies will start showing blue-shifts
• B) the universe will look pretty much the same as it does today
• C) the entire universe will become one huge black hole
• D) all the stars will die and the galaxies will be dark
• E) galaxies will shine even more brightly than today from all the dark energy

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Definitions:

Allene

Organic compounds characterized by a cumulated diene system with two carbon-carbon double bonds.

Correct Hybridization

The mixing of atomic orbitals to form new hybrid orbitals, explaining the geometry of molecular bonding.

Atom

An atom is the smallest unit of matter that retains the identity of a chemical element, consisting of a nucleus surrounded by electrons.

Molecule

The smallest unit of a chemical compound that can exist; it consists of a group of atoms bonded together, representing the compound's chemical properties.