Which of the Following Is Evidence That the Object Known

question 6

Multiple Choice

Which of the following is evidence that the object known as Sagittarius A* is a supermassive black hole?

• A) The Milky Way currently has a powerful active nucleus (AGN).
• B) Star orbits imply a large, invisible mass.
• C) Gravitational waves from the central region are consistent with a supermassive black hole.
• D) A large accretion disk of gas can be resolved in visible light.
• E) The event horizon can be viewed through powerful telescopes.

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Definitions:

Stereotype Threat

The risk of confirming negative stereotypes about one's group, which can hinder performance in various domains.

Standardized Tests

Exams designed to measure a test taker's knowledge, skills, aptitudes, or classification in various subjects, with consistent procedures and scoring methods.

Inequality

The unequal distribution of resources, opportunities, rights, and power among individuals or groups in a society.

Teacher Expectancy Effect

The impact that a teacher's expectations about a student's performance can have on the student's actual achievements.