After the Big Bang, in Order for the Universe to Become

question 17

Multiple Choice

After the Big Bang, in order for the universe to become transparent to light and other electro-magnetic radiation, what had to happen?

• A) stars and galaxies had to form
• B) the whole universe had to be hotter than the interior of a star
• C) the density of the universe had to decrease (to 1000 nuclei per cubic centimeter or less)
• D) the dark energy had to dominate over regular matter and energy
• E) telescopes had to be invented

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Definitions:

Reward To Risk

The ratio that compares the potential profit of an investment to its potential loss.

Beta

An indicator of how much a stock fluctuates in comparison to the general market, with a beta greater than 1 signifying that the stock has higher volatility than the market.

Risk-Free Rate

The theoretical rate of return of an investment with zero risk, often represented by the yield on government securities.

Expected Return

The projected average return on an investment, accounting for all potential outcomes and their probabilities.