A Red Supergiant Is Observed in a Globular Cluster in Another

question 41

Multiple Choice

A red supergiant is observed in a globular cluster in another galaxy (located 150,000 light-years away) . It is predicted, based on its mass and age of the star, that it will supernova in about10,000 years. Is this star still there?

• A)No, it died in a supernova 10,000 years ago.
• B)No, it died in a supernova 140,000 years ago.
• C)No, it died in a supernova 150,000 years ago.
• D)Yes, it will die in a supernova in 10,000 years.
• E)Yes, it will die in a supernova 160,000 years from now.

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Definitions:

Implied Authority

The power assumed by a person that is reasonably necessary to carry out his or her expressed powers.

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A circumstance or condition that allows for a fair and plausible chance to pursue an action, achieve a goal, or resolve a problem, based on logical or practical considerations.

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