Which Event Marks the Beginning of a Supernova

question 111

Multiple Choice

Which event marks the beginning of a supernova?

• A)the onset of helium burning after a helium flash in a star with mass comparable to that of the Sun
• B)the sudden outpouring of X-rays from a newly formed accretion disk
• C)the sudden collapse of an iron core into a compact ball of neutrons
• D)the beginning of neon burning in an extremely massive star
• E)the expansion of a low-mass star into a red giant

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Definitions:

Political Scientists

Experts who study the theory and practice of politics, governance, and political behavior, often analyzing systems of government, political activities, and political thought.

Unilateral

An action or decision made by one party or nation without the agreement or consultation of others, often in the context of international relations or policy-making.

Sequential

Pertaining to or describing events, processes, or items in a specific order or sequence.

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A situation or relationship in which two or more entities depend on each other equally for resources, information, or outcomes.