A Useful Technique for Estimating the Shapes of Many Asteroids

question 4

Multiple Choice

A useful technique for estimating the shapes of many asteroids has been:

• A) measurement by many closely spaced observers of occultations of stars by asteroids.
• B) direct photography of the asteroid''s shape from the EarthEarth.
• C) photography from spacecraft, such as Galileo.
• D) measurement of brightness variations caused by asteroid rotation.

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Definitions:

Prisoners' Dilemma

The Prisoners' Dilemma is a standard example of a game analyzed in game theory that shows why two completely rational individuals might not cooperate, even if it appears that it is in their best interest to do so.

Repeatedly Interact

Engaging in continuous or frequent exchanges or encounters between individuals or entities.

Maximin Strategy

A strategy in game theory and decision-making that aims to maximize the minimum gain that can be achieved, often used in situations of uncertainty to minimize risk.

Equilibrium

A state in which market supply and demand balance each other, and, as a result, prices become stable.