That Quasars Were at Cosmological Distances Yet Appeared Like Ordinary

question 7

Multiple Choice

That quasars were at cosmological distances yet appeared like ordinary faint stars meant:

• A)they were the brightest stars ever observed.
• B)they must be very large.
• C)they must contain many O and B type stars.
• D)they must be producing such large quantities of energy than even fusion could not explaintheir output.
• E)they must be very small, but bright due to gravitational lensing.

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Definitions:

Early Bird

A term typically used to describe someone who completes a task or arrives somewhere early, often to take advantage of benefits or discounts.

Intertemporal Price Discrimination

A pricing strategy where consumers are charged different prices for the same product or service based on when they choose to purchase or consume it.

Marginal Revenue

The additional income earned by selling one more unit of a good or service.

Profit Maximization

The process or strategy by which a firm determines the price and output level that returns the greatest profit.