What Is a Hypervelocity Star

question 156

Multiple Choice

What is a hypervelocity star?

• A) It is one of the stars in rapid orbital motion close to the supermassive black hole in the galactic center.
• B) This is the name given to stars moving faster than escape speed from the galaxy.
• C) This is the name given to a few stars that have been detected moving around the galactic center in the opposite direction from the general galactic rotation. Although their speeds are not unusual, their speeds relative to normal stars are very large.
• D) These are stars that move around the galactic center in the middle of the galactic plane, but traveling much faster than neighboring stars-seemingly in defiance of Kepler's third law.

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Definitions:

Perceived

Recognized or understood in a certain way by the mind.

Unpredictability

The quality of being impossible to predict or foresee, leading to uncertainty and potential variability in outcomes.

Lying

The act of deliberately making a false statement with the intention of deceiving others.

Social Trust

The belief in the reliability, truth, ability, or strength of society, forming the foundation of communal relationships and social networks.