A Galaxy at a Distance of 10 Mpc Is Moving

question 3

Multiple Choice

A galaxy at a distance of 10 Mpc is moving away from us at a speed of 800 km/s.What would be the recession speed of a galaxy at a distance of 5 Mpc?

• A)800 km/s
• B)1600 km/s
• C)3200 km/s
• D)400 km/s

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Definitions:

Physically Active Children

Children who engage in regular physical activity, which supports their physical development, health, and well-being.

Physically Active People

Individuals who engage in a significant amount of physical activity, leading to enhanced physical health and well-being.

American College of Sports Medicine (ACSM)

A professional organization that promotes and integrates scientific research, education, and practical applications of sports medicine and exercise science to improve health and performance.

Cognitive Declines

The process of deterioration in cognitive function, which may include memory, problem-solving, and attention.