What Is the Best Evidence That Sagittarius A* Is a Black

question 45

Multiple Choice

What is the best evidence that Sagittarius A* is a black hole at the centre of the Milky Way galaxy?

• A)Orbits of stars indicate a mass several million times that of the Sun within a very small volume.
• B)Sagittarius A* is a powerful radio source.
• C)No visible light from Sagittarius A* reaches the Earth.
• D)Radio maps of the region around Sagittarius A* show complicated gas structures believed to be related to massive star formation.

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Definitions:

Purposeful Communication

The intentional use of language and messaging to achieve specific outcomes or objectives, often emphasizing clarity and effectiveness.

Deceives

Intentionally leads someone to believe something that is not true, typically in order to gain some personal advantage.

False Impression

Presenting information or conducting oneself in a way that intentionally misleads others.

Ethical Decision-making

The process of choosing actions that are ethical and reflect the values of an individual or organization, often involving complex considerations.