The Location of the Galactic Center Was First Found by Harlow

question 108

Multiple Choice

The location of the Galactic Center was first found by Harlow Shapley with:

• A)radio emissions from Sagittarius A.
• B)Cepheids of Population I in the spiral arms.
• C)RR Lyrae variables in the globular clusters.
• D)planetary nebulae in the open clusters.
• E)infrared observations of the heat from its accretion disk around the black hole.

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Definitions:

Physical Arousal

The condition of being physiologically excited or stimulated, often associated with preparedness for physical activity.

Labeling

The process of assigning a category or descriptor to someone or something, which can influence perceptions and behaviors.

Context

The circumstances or background that surrounds and gives meaning to an event, statement, or idea.

Facial Feedback Hypothesis

The idea that sensory feedback from our facial expressions can affect our mood and emotions, influencing how we feel.