Why Was It Surprising to Find Three Planets Orbiting a Pulsar

question 28

Essay

Why was it surprising to find three planets orbiting a pulsar?

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Definitions:

Productive Efficiency

A situation in which an economy or entity is operating in such a way that it cannot produce more of one good without producing less of another.

U.S. Economy

The economic system of the United States, characterized by private enterprise, a variety of industries, and is considered one of the largest and most influential economies in the world.

Production Possibilities Frontier

A graph that shows the highest production potential for two products, based on available resources and various factors.

Means of Production

The resources—including land, labor, capital, and technology—used to produce goods and services in an economy.